10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2011

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from             to             

Commission file number 000-22418

ITRON, INC.

(Exact name of registrant as specified in its charter)

Washington	91-1011792
(State of Incorporation)	(I.R.S. Employer Identification Number)

2111 N Molter Road, Liberty Lake, Washington 99019

(509) 924-9900

(Address and telephone number of registrant’s principal executive offices)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	o  (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

As of June 30, 2011 there were outstanding 40,696,130 shares of the registrant’s common stock, no par value, which is the only class of common stock of the registrant.

Itron, Inc.

Table of Contents

	Page
PART I: FINANCIAL INFORMATION
Item 1: Financial Statements (Unaudited)
Consolidated Statements of Operations	1
Consolidated Balance Sheets	1
Consolidated Statements of Cash Flows	1
Notes to Condensed Consolidated Financial Statements	2
Item 2: Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3: Quantitative and Qualitative Disclosures About Market Risk	41
Item 4: Controls and Procedures	42
PART II: OTHER INFORMATION
Item 1: Legal Proceedings	43
Item 1A: Risk Factors	43
Item 5: Other Information	43
Item 6: Exhibits	44
SIGNATURE	45

PART I: FINANCIAL INFORMATION

Item 1: Financial Statements (Unaudited)

ITRON, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
				(restated)						(restated)
	(in thousands, except per share data)
Revenues	$	612,401		$	567,339		$	1,176,092		$	1,064,962
Cost of revenues	421,318			393,283			800,899			733,842
Gross profit	191,083			174,056			375,193			331,120
Operating expenses
Sales and marketing	48,845			40,974			93,493			82,511
Product development	40,931			33,022			81,376			66,062
General and administrative	35,118			33,285			68,449			66,342
Amortization of intangible assets	16,197			16,766			31,794			34,577
Restructuring	1,907			—			1,907			—
Total operating expenses	142,998			124,047			277,019			249,492
Operating income	48,085			50,009			98,174			81,628
Other income (expense)
Interest income	168			111			476			278
Interest expense	(11,420		)	(13,965		)	(23,534		)	(28,888		)
Other income (expense), net	(2,477		)	(425		)	(4,073		)	(1,017		)
Total other income (expense)	(13,729		)	(14,279		)	(27,131		)	(29,627		)
Income before income taxes	34,356			35,730			71,043			52,001
Income tax (provision) benefit	80			(10,419		)	(9,487		)	(1,440		)
Net income	$	34,436		$	25,311		$	61,556		$	50,561
Earnings per common share - Basic	$	0.85		$	0.63		$	1.52		$	1.26
Earnings per common share - Diluted	$	0.84		$	0.61		$	1.50		$	1.23
Weighted average common shares outstanding - Basic	40,670			40,329			40,608			40,261
Weighted average common shares outstanding - Diluted	41,077			41,161			41,059			41,011

The accompanying notes are an integral part of these condensed consolidated financial statements.

ITRON, INC.

CONSOLIDATED BALANCE SHEETS

(in thousands)

	June 30, 2011		December 31, 2010
	(unaudited)
ASSETS
Current assets
Cash and cash equivalents	$	168,284	$	169,477
Accounts receivable, net	377,835		371,662
Inventories	253,079		208,157
Deferred tax assets current, net	55,145		55,351
Other current assets	104,496		77,570
Total current assets	958,839		882,217
Property, plant, and equipment, net	301,458		299,242
Deferred tax assets noncurrent, net	12,714		35,050
Other long-term assets	68,967		28,242
Intangible assets, net	292,930		291,670
Goodwill	1,311,771		1,209,376
Total assets	$	2,946,679	$	2,745,797
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	268,462	$	241,949
Other current liabilities	41,630		49,690
Wages and benefits payable	94,855		110,479
Taxes payable	27,976		19,725
Current portion of debt	234,449		228,721
Current portion of warranty	29,999		24,912
Unearned revenue	49,722		28,258
Total current liabilities	747,093		703,734
Long-term debt	341,121		382,220
Long-term warranty	32,839		26,371
Pension plan benefit liability	69,675		61,450
Deferred tax liabilities noncurrent, net	51,539		54,412
Other long-term obligations	86,942		89,315
Total liabilities	1,329,209		1,317,502
Commitments and contingencies
Shareholders’ equity
Preferred stock	—		—
Common stock	1,339,504		1,328,249
Accumulated other comprehensive income (loss), net	81,390		(34,974		)
Retained earnings	196,576		135,020
Total shareholders’ equity	1,617,470		1,428,295
Total liabilities and shareholders’ equity	$	2,946,679	$	2,745,797

The accompanying notes are an integral part of these condensed consolidated financial statements.

ITRON, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Six Months Ended June 30,
	2011			2010
				(restated)
	(in thousands)
Operating activities
Net income	$	61,556		$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	64,299			65,071
Stock-based compensation	9,518			9,121
Amortization of prepaid debt fees	2,265			2,762
Amortization of convertible debt discount	5,336			4,957
Deferred taxes, net	6,081			(8,132		)
Other adjustments, net	285			3,306
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(12,106		)	(52,124		)
Inventories	(36,668		)	(40,930		)
Other current assets	(21,268		)	8,375
Other long-term assets	(22,993		)	(763		)
Accounts payables, other current liabilities, and taxes payable	16,523			42,463
Wages and benefits payable	(21,531		)	19,648
Unearned revenue	24,159			2,365
Warranty	9,510			14,355
Other operating, net	2,726			(3,949		)
Net cash provided by operating activities	87,692			117,086
Investing activities
Acquisitions of property, plant, and equipment	(28,712		)	(27,716		)
Business acquisition, net of cash equivalents acquired	(14,635		)	—
Other investing, net	513			4,495
Net cash used in investing activities	(42,834		)	(23,221		)
Financing activities
Payments on debt	(55,630		)	(73,881		)
Issuance of common stock	2,553			6,812
Other financing, net	(319		)	(2,237		)
Net cash used in financing activities	(53,396		)	(69,306		)
Effect of foreign exchange rate changes on cash and cash equivalents	7,345			(9,081		)
Increase (decrease) in cash and cash equivalents	(1,193		)	15,478
Cash and cash equivalents at beginning of period	169,477			121,893
Cash and cash equivalents at end of period	$	168,284		$	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	978		$	(3,491	)
Fair value of contingent and deferred consideration payable for business acquisition	5,108			—
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	6,842		$	9,355
Interest, net of amounts capitalized	15,927			21,178

The accompanying notes are an integral part of these condensed consolidated financial statements.

1

ITRON, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

June 30, 2011

(UNAUDITED)

In this Quarterly Report on Form 10-Q, the terms “we,” “us,” “our,” “Itron,” and the “Company” refer to Itron, Inc.

Note 1:    Summary of Significant Accounting Policies

We were incorporated in the state of Washington in 1977. We provide a portfolio of products and services to utilities for the energy and water markets throughout the world.

Financial Statement Preparation

The condensed consolidated financial statements presented in this Quarterly Report on Form 10-Q are unaudited and reflect entries necessary for the fair presentation of the Consolidated Statements of Operations for the three and six months ended June 30, 2011 and 2010, the Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010, and the Consolidated Statements of Cash Flows for the six months ended June 30, 2011 and 2010 of Itron, Inc. and its subsidiaries. All entries required for the fair presentation of the financial statements are of a normal recurring nature, except as disclosed.

Certain information and notes normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (GAAP) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) regarding interim results. These condensed consolidated financial statements should be read in conjunction with the 2010 audited financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2010, as filed with the SEC on February 25, 2011. The results of operations for the three and six months ended June 30, 2011 are not necessarily indicative of the results expected for the full fiscal year or for any other fiscal period.

Basis of Consolidation

We consolidate all entities in which we have a greater than 50% ownership interest or in which we exercise control over the operations. We use the equity method of accounting for entities in which we have a 50% or less investment and exercise significant influence. Entities in which we have less than a 20% investment and where we do not exercise significant influence are accounted for under the cost method. Variable interest entities of which we are the primary beneficiary are consolidated. At June 30, 2011, our investments in variable interest entities and noncontrolling interests were not material. Intercompany transactions and balances have been eliminated upon consolidation.

Business Acquisition

On January 10, 2011, we completed the acquisition of Asais S.A.S. and Asais Conseil S.A.S. (collectively Asais), an energy information management software and consulting services provider, located in France. The acquisition consisted of cash and contingent consideration. The acquisition was immaterial to our financial position, results of operations, and cash flows. (See Business Combinations policy below.)

Cash and Cash Equivalents

We consider all highly liquid instruments with remaining maturities of three months or less at the date of acquisition to be cash equivalents.

Accounts Receivable and Allowance for Doubtful Accounts

Accounts receivable are recorded for invoices issued to customers in accordance with our contractual arrangements. Interest and late payment fees are minimal. Unbilled receivables are recorded when revenues are recognized upon product shipment or service delivery and invoicing occurs at a later date. We record an allowance for doubtful accounts representing our estimate of the probable losses in accounts receivable at the date of the balance sheet based on our historical experience of bad debts and our specific review of outstanding receivables. Accounts receivable are written-off against the allowance when we believe an account, or a portion thereof, is no longer collectible.

Inventories

Inventories are stated at the lower of cost or market using the first-in, first-out method. Cost includes raw materials and labor, plus applied direct and indirect costs.

2

Derivative Instruments

All derivative instruments, whether designated in hedging relationships or not, are recorded on the Consolidated Balance Sheets at fair value as either assets or liabilities. The components and fair values of our derivative instruments, which are primarily interest rate swaps, are determined using the fair value measurements of significant other observable inputs (Level 2), as defined by GAAP. The net fair value of our derivative instruments may switch between a net asset and a net liability depending on market circumstances at the end of the period. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments are in a net asset position and the effect of our own nonperformance risk when the net fair value of our derivative instruments are in a net liability position.

For any derivative designated as a fair value hedge, the changes in the fair value of the derivative and of the hedged item attributable to the hedged risk are recognized in earnings. For any derivative designated as a cash flow hedge, the effective portions of changes in the fair value of the derivative are recorded as a component of other comprehensive income (OCI) and are recognized in earnings when the hedged item affects earnings. For our hedge of a net investment, the effective portion of any unrealized gain or loss from the foreign currency revaluation of the hedging instrument is reported in OCI as a net unrealized gain or loss on derivative instruments. Ineffective portions of fair value changes or the changes in fair value of derivative instruments that do not qualify for hedging activities are recognized in other income (expense) in the Consolidated Statements of Operations. We classify cash flows from our derivative programs as cash flows from operating activities in the Consolidated Statements of Cash Flows.

Derivatives are not used for trading or speculative purposes. Our derivatives are with major international financial institutions, with whom we have master netting agreements; however, our derivative positions are not disclosed on a net basis. There are no credit-risk-related contingent features within our derivative instruments. Refer to Note 7 and Note 12 for further disclosures of our derivative instruments and their impact on OCI.

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the assets, generally thirty years for buildings and improvements and three to 10 years for machinery and equipment, computers and purchased software, and furniture. Leasehold improvements are capitalized and amortized over the term of the applicable lease, including renewable periods if reasonably assured, or over the useful lives, whichever is shorter. Construction in process represents capital expenditures incurred for assets not yet placed in service. Costs related to internally developed software and software purchased for internal uses are capitalized and are amortized over the estimated useful lives of the assets. Repair and maintenance costs are expensed as incurred. We have no major planned maintenance activities.

We review long-lived assets for impairment whenever events or circumstances indicate the carrying amount of an asset or asset group may not be recoverable. We have had no significant impairments of long-lived assets. Assets held for sale are classified within other current assets in the Consolidated Balance Sheets, are reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. We had no assets held for sale at June 30, 2011 and December 31, 2010. Gains and losses from asset disposals and impairment losses are classified within the statement of operations according to the use of the asset.

Prepaid Debt Fees

Prepaid debt fees represent the capitalized direct costs incurred related to the issuance of debt and are recorded as noncurrent assets. These costs are amortized to interest expense over the lives of the respective borrowings, including contingent maturity or call features, using the effective interest method, or straight-line method when associated with a revolving credit facility. When debt is repaid early, the related portion of unamortized prepaid debt fees is written-off and included in interest expense.

Business Combinations

On the date of acquisition, the assets acquired, liabilities assumed, and any noncontrolling interests in the acquiree are recorded at their fair values. The acquiree results of operations are also included as of the date of acquisition in our consolidated results. Intangible assets that arise from contractual/legal rights, or are capable of being separated, as well as in-process research and development, are measured and recorded at fair value, and amortized over the estimated useful life. If practicable, assets acquired and liabilities assumed arising from contingencies are measured and recorded at fair value. If not practicable, such assets and liabilities are measured and recorded when it is probable that a gain or loss has occurred and the amount can be reasonably estimated. The residual balance of the purchase price, after fair value allocations to all identified assets and liabilities, represents goodwill. Acquisition-related costs are expensed as incurred. Restructuring costs are generally expensed in periods subsequent to the acquisition date, and changes in deferred tax asset valuation allowances and acquired income tax uncertainties, including penalties and interest, after the measurement period are recognized as a component of the provision for income taxes.

Goodwill and Intangible Assets

Goodwill and intangible assets have resulted from our acquisitions. We use estimates in determining and assigning the fair value of goodwill and intangible assets at acquisition, including estimates of useful lives of intangible assets, the amount and timing of related future cash flows, and fair values of the related operations. Our intangible assets have finite lives, are amortized over their estimated useful lives based on estimated discounted cash flows, and are tested for impairment when events or changes in circumstances indicate the carrying value may not be recoverable.

Goodwill is assigned to our reporting units based on the expected benefit from the synergies arising from each business combination, determined by using certain financial metrics, including the forecasted discounted cash flows associated with each reporting unit. Goodwill is tested for impairment as of October 1 of each year, or more frequently if a significant impairment indicator occurs. Determining the fair value of a reporting unit is judgmental in nature and involves the use of significant estimates and assumptions. We forecast discounted future cash flows at the reporting unit level using risk-adjusted discount rates and estimated future revenues and operating costs, which take into consideration factors such as existing backlog, expected future orders, supplier contracts, and expectations of competitive and economic environments. We also identify similar publicly traded companies and develop a correlation, referred to as a multiple, to apply to the operating results of our reporting units.

Contingencies

A loss contingency is recorded if it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. We evaluate, among other factors, the degree of probability of an unfavorable outcome and our ability to make a reasonable estimate of the amount of the ultimate loss. Loss contingencies that we determine to be reasonably possible, but not probable, are disclosed. Changes in these factors and related estimates could materially affect our financial position and results of operations.

Bonus and Profit Sharing

We have various employee bonus and profit sharing plans, which provide award amounts for the achievement of annual financial and nonfinancial targets. If management determines it is probable that the targets will be achieved, and the amounts can be reasonably estimated, a compensation accrual is recorded based on the proportional achievement of the financial and nonfinancial targets. Although we monitor and accrue expenses quarterly based on our progress toward the achievement of the annual targets, the actual results at the end of the year may require awards that are significantly greater or less than the estimates made in earlier quarters.

Warranty

We offer standard warranties on our hardware products and large application software products. We accrue the estimated cost of warranty claims based on historical and projected product performance trends and costs. Testing of new products in the development stage helps identify and correct potential warranty issues prior to manufacturing. Continuing quality control efforts during manufacturing reduce our exposure to warranty claims. If our quality control efforts fail to detect a fault in one of our products, we could experience an increase in warranty claims. We track warranty claims to identify potential warranty trends. If an unusual trend is noted, an additional warranty accrual may be assessed and recorded when a failure event is probable and the cost can be reasonably estimated. Management continually evaluates the sufficiency of the warranty provisions and makes adjustments when necessary. The warranty allowances may fluctuate due to changes in estimates for material, labor, and other costs we may incur to repair or replace projected product failures, and we may incur additional warranty and related expenses in the future with respect to new or established products, which could adversely affect our financial position and results of operations. The long-term warranty balance includes estimated warranty claims beyond one year. Warranty expense is classified within cost of revenues.

Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees. We recognize a liability for the projected benefit obligation in excess of plan assets or an asset for plan assets in excess of the projected benefit obligation. We also recognize the funded status of our defined benefit pension plans on our Consolidated Balance Sheets and recognize as a component of OCI, net of tax, the actuarial gains or losses and prior service costs or credits, if any, that arise during the period but that are not recognized as components of net periodic benefit cost.

Revenue Recognition

Revenues consist primarily of hardware sales, software license fees, software implementation, project management services, installation, consulting, and post-sale maintenance support. Revenues are recognized when (1) persuasive evidence of an arrangement exists, (2) delivery has occurred or services have been rendered, (3) the sales price is fixed or determinable, and (4) collectability is reasonably assured.

The majority of our revenue arrangements involve multiple deliverables, which combine two or more of the following: hardware, meter reading system software, installation, and/or project management services. Revenue arrangements with multiple deliverables are divided into separate units of accounting if the delivered item(s) has value to the customer on a standalone basis and delivery/performance of the undelivered item(s) is probable. The total arrangement consideration is allocated among the separate units of accounting based on their relative fair values and the applicable revenue recognition criteria considered for each unit of accounting. The amount allocable to a delivered item is limited to the amount that we are entitled to collect and that is not contingent upon the delivery/performance of additional items. Revenues for each deliverable are then recognized based on the type of deliverable, such as 1) when the products are shipped, 2) services are delivered, 3) percentage-of-completion when implementation services are essential to other deliverables in the arrangements, 4) upon receipt of customer acceptance, or 5) transfer of title. The majority of our revenue is recognized when products are shipped to or received by a customer or when services are provided.

We primarily enter into two types of multiple deliverable arrangements, which include a combination of hardware and associated software and services:

• Arrangements that do not include the deployment of our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ If implementation services are essential to the functionality of the associated software, software and implementation revenues are recognized using either the percentage-of-completion methodology of contract accounting if project costs can be estimated, or the completed contract methodology if project costs cannot be reliably estimated.

• Arrangements to deploy our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ Revenue from associated software and services is recognized using the units-of-delivery method of contract accounting, as the software is essential to the functionality of the related hardware and the implementation services are essential to the functionality of the associated software. This methodology often results in the deferral of costs and revenues as professional services and software implementation typically commence prior to deployment of hardware.

We also enter into multiple deliverable software arrangements that do not include hardware. For this type of arrangement, revenue recognition is dependent upon the availability of vendor specific objective evidence (VSOE) of fair value for each of the deliverables. The lack of VSOE, or the existence of extended payment terms or other inherent risks, may affect the timing of revenue recognition for software arrangements.

Certain of our revenue arrangements include an extended or noncustomary warranty provision which covers all or a portion of a customer’s replacement or repair costs beyond the standard or customary warranty period. Whether or not the extended warranty is separately priced in the arrangement, a portion of the arrangement’s total consideration is allocated to this extended warranty deliverable. This revenue is deferred and recognized over the extended warranty coverage period. Extended or noncustomary warranties do not represent a significant portion of our revenue.

We allocate consideration to each deliverable in an arrangement based on its relative selling price. We determine selling price using VSOE, if it exists, otherwise we use third-party evidence (TPE). If neither VSOE nor TPE of selling price exists for a unit of accounting, we use estimated selling price (ESP).

VSOE is generally limited to the price charged when the same or similar product is sold separately or, if applicable, the stated renewal rate in the agreement. If a product or service is seldom sold separately, it is unlikely that we can determine VSOE for the product or service. We define VSOE as a median price of recent standalone transactions that are priced within a narrow range. TPE is determined based on the prices charged by our competitors for a similar deliverable when sold separately.

If we are unable to establish selling price using VSOE or TPE, we use ESP in the allocation of arrangement consideration. The objective of ESP is to determine the price at which we would transact if the product or service were regularly sold by us on a standalone basis. Our determination of ESP involves a weighting of several factors based on the specific facts and circumstances of the arrangement. Specifically, we consider the cost to produce the deliverable, the anticipated margin on that deliverable, the selling price and profit margin for similar parts, our ongoing pricing strategy and policies (as evident in the price list established and updated by management on a regular basis), the value of any enhancements that have been built into the deliverable, and the characteristics of the varying markets in which the deliverable is sold. We analyze the selling prices used in our allocation of arrangement consideration on an annual basis. Selling prices are analyzed on a more frequent basis if we experience significant variances in our selling prices or if a significant change in our business necessitates a more timely analysis.

Unearned revenue is recorded when a customer pays for products or services, but the criteria for revenue recognition have not been met as of the balance sheet date. Unearned revenues of $68.7 million and $42.8 million at June 30, 2011 and December 31, 2010 related primarily to professional services and software associated with our smart metering contracts, extended or noncustomary warranty, and prepaid post-contract support. Deferred cost is recorded for products or services for which ownership (typically defined as title and risk of loss) has transferred to the customer, but the criteria for revenue recognition have not been met as of the balance sheet date. Deferred costs were $16.6 million and $10.0 million at June 30, 2011 and December 31, 2010 and are recorded within other assets in the Consolidated Balance Sheets.

Hardware and software post-sale maintenance support fees are recognized ratably over the life of the related service contract. Shipping and handling costs and incidental expenses billed to customers are recorded as revenue, with the associated cost charged to cost of revenues. We record sales, use, and value added taxes billed to our customers on a net basis.

Product and Software Development Costs

Product and software development costs primarily include employee compensation and third party contracting fees. For software we develop to be marketed or sold, we capitalize development costs after technological feasibility is established. Due to the relatively short period of time between technological feasibility and the completion of product and software development, and the immaterial nature of these costs, we generally do not capitalize product and software development expenses.

Stock-Based Compensation

We measure and recognize compensation expense for all stock-based awards made to employees and directors, including stock options, stock sold pursuant to our Employee Stock Purchase Plan (ESPP), and the issuance of restricted stock units and unrestricted stock awards, based on estimated fair values. The fair value of stock options is estimated at the date of grant using the Black-Scholes option-pricing model, which includes assumptions for the dividend yield, expected volatility, risk-free interest rate, and expected life. For ESPP awards, the fair value is the difference between the market close price of our common stock on the date of purchase and the discounted purchase price. For restricted stock units and unrestricted stock awards, the fair value is the market close price of our common stock on the date of grant. We expense stock-based compensation at the date of grant for unrestricted stock awards. For awards with only a service condition, we expense stock-based compensation, adjusted for estimated forfeitures, using the straight-line method over the requisite service period for the entire award. For awards with both performance and service conditions, we expense the stock-based compensation, adjusted for estimated forfeitures, on a straight-line basis over the requisite service period for each separately vesting portion of the award. Excess tax benefits are credited to common stock when the deduction reduces cash taxes payable. When we have tax deductions in excess of the compensation cost, they are classified as financing cash inflows in the Consolidated Statements of Cash Flows.

Loss on Extinguishment of Debt, Net

Upon partial or full redemption of our borrowings, we recognize a gain or loss for the difference between the cash paid and the net carrying amount of the debt redeemed. Included in the net carrying amount is any unamortized premium or discount from the original issuance of the debt. Due to the particular characteristics of our convertible notes, we recognize a gain or loss upon conversion or derecognition for the difference between the net carrying amount of the liability component (including any unamortized discount and debt issuance costs) and the fair value of the consideration transferred to the holder that is allocated to the liability component, which is equal to the fair value of the liability component immediately prior to extinguishment. In the case of an induced conversion, a loss is recognized for the amount of the fair value of the securities or other consideration transferred to the holder in excess of fair value of the consideration issuable in accordance with the original conversion terms of the debt.

Income Taxes

We compute our interim income tax provision through the use of an estimated annual effective tax rate (ETR) applied to year-to-date operating results and specific events that are discretely recognized as they occur. In determining the estimated annual ETR, we analyze various factors, including projections of our annual earnings, taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carryforwards, and available tax planning alternatives. Discrete items, including the effect of changes in tax laws, tax rates, and certain circumstances with respect to valuation allowances or other unusual or non-recurring tax adjustments, are reflected in the period in which they occur as an addition to, or reduction from, the income tax provision, rather than included in the estimated annual ETR.

Deferred tax assets and liabilities are recognized based upon anticipated future tax consequences, in each of the jurisdictions in which we operate, attributable to: (1) the differences between the financial statement carrying amounts of existing assets and liabilities and their respective income tax bases; and (2) operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The calculation of our tax liabilities involves applying complex tax regulations in different tax jurisdictions to our tax positions. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is not more likely than not that such assets will be realized. We do not record tax liabilities on undistributed earnings of international subsidiaries that are permanently reinvested.

A tax position is first evaluated for recognition based on its technical merits. Tax positions that have a greater than fifty percent likelihood of being realized upon ultimate settlement are then measured to determine amounts to be recognized in the financial statements. This measurement incorporates information about potential settlements with taxing authorities. A previously recognized tax position is derecognized in the first period in which the position no longer meets the more-likely-than-not recognition threshold. We classify interest expense and penalties related to uncertain tax positions and interest income on tax overpayments as part of income tax expense.

Foreign Exchange

Our consolidated financial statements are reported in U.S. dollars. Assets and liabilities of international subsidiaries with a non-U.S. dollar functional currency are translated to U.S. dollars at the exchange rates in effect on the balance sheet date, or the last business day of the period, if applicable. Revenues and expenses for these subsidiaries are translated to U.S. dollars using a weighted average rate for the relevant reporting period. Translation adjustments resulting from this process are included, net of tax, in OCI. Gains and losses that arise from exchange rate fluctuations for monetary asset and liability balances that are not denominated in an entity’s functional currency are included within other income (expense), net in the Consolidated Statements of Operations. Currency gains and losses of intercompany balances deemed to be long-term in nature or designated as a hedge of the net investment in international subsidiaries are included, net of tax, in OCI.

Fair Value Measurements

For assets and liabilities measured at fair value, the GAAP fair value hierarchy prioritizes the inputs used in different valuation methodologies, assigning the highest priority to unadjusted quoted prices for identical assets and liabilities in actively traded markets (Level 1) and the lowest priority to unobservable inputs (Level 3). Level 2 inputs consist of quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in non-active markets; and model-derived valuations in which significant inputs are corroborated by observable market data either directly or indirectly through correlation or other means (inputs may include yield curves, volatility, credit risks, and default rates). We hold no assets or liabilities measured using Level 1 fair value inputs.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Due to various factors affecting future costs and operations, actual results could differ materially from these estimates.

Restatement

The unaudited quarterly financial information for the first three quarters of 2010 was restated in the fourth quarter of 2010. The restatement was made primarily to defer revenue previously recognized on one contract due to a misinterpretation of an extended warranty provision. While the restatement was not deemed material to the first three quarters of 2010, we concluded that the aggregate correction of such amounts would be material to the fourth quarter of 2010. Accordingly, although not material to our financial statements for the first and second quarters of 2010, the results of operations for the three and six months ended June 30, 2010 and cash flows for the six months ended June 30, 2010 have been restated, as well as certain balance sheet components as of June 30, 2010. The consolidated statement of operations, consolidated balance sheet, and consolidated statement of cash flows have been restated, as follows:

Consolidated statement of operations	Three Months Ended June 30, 2010						Six Months Ended June 30, 2010
	As previously reported			As restated			As previously reported			As restated
	(in thousands, except per share data)
Revenues	$	569,460		$	567,339		$	1,068,740		$	1,064,962
Cost of revenues	393,136			393,283			733,521			733,842
Gross profit	176,324			174,056			335,219			331,120
Operating income	52,277			50,009			85,727			81,628
Income before income taxes	37,998			35,730			56,100			52,001
Income tax (provision) benefit	(11,098		)	(10,419		)	(2,413		)	(1,440		)
Net income	26,900			25,311			53,687			50,561
Earnings per common share - Basic	$	0.67		$	0.63		$	1.33		$	1.26
Earnings per common share - Diluted	$	0.65		$	0.61		$	1.31		$	1.23

Consolidated balance sheet	June 30, 2010
	As previously reported		As restated
	(in thousands)
Accounts receivable, net	366,476		366,240
Deferred tax assets noncurrent, net	67,684		68,657
Long-term warranty	22,953		23,274
Other long-term obligations	67,908		71,478
Accumulated other comprehensive loss, net	(116,019	)	(116,047	)
Retained earnings	83,937		80,811

Consolidated statement of cash flow	Six Months Ended June 30, 2010
	As previously reported			As restated
	(in thousands)
Operating activities
Net income	$	53,687		$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes, net	(7,159		)	(8,132		)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(52,332		)	(52,124		)
Unearned revenue	(1,205		)	2,365
Warranty	14,034			14,355

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Note 2:    Earnings Per Share and Capital Structure

The following table sets forth the computation of basic and diluted earnings per share (EPS):

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands, except per share data)
Net income available to common shareholders	$	34,436	$	25,311	$	61,556	$	50,561
Weighted average common shares outstanding - Basic	40,670		40,329		40,608		40,261
Dilutive effect of convertible notes	—		283		—		206
Dilutive effect of stock-based awards	407		549		451		544
Weighted average common shares outstanding - Diluted	41,077		41,161		41,059		41,011
Earnings per common share - Basic	$	0.85	$	0.63	$	1.52	$	1.26
Earnings per common share - Diluted	$	0.84	$	0.61	$	1.50	$	1.23

Convertible Notes

We are required, pursuant to the indenture for the convertible notes, to settle the principal amount of the convertible notes in cash and may elect to settle the remaining conversion obligation (stock price in excess of conversion price) in cash, shares, or a combination. We include in the EPS calculation the amount of shares it would take to satisfy the conversion obligation, assuming that all of the convertible notes are converted. The average quarterly closing prices of our common stock were used as the basis for determining the dilutive effect on EPS. The average price of our common stock for the three and six months ended June 30, 2011 did not exceed the conversion price of $65.16 and, therefore, did not have an effect on diluted EPS. The average price of our common stock for the three and six months ended June 30, 2010 exceeded the conversion price of $65.16 and, therefore, approximately 283,000 and 206,000 shares have been included in the diluted EPS calculation for those respective periods.

Stock-based Awards

For stock-based awards, the dilutive effect is calculated using the treasury stock method. Under this method, the dilutive effect is computed as if the awards were exercised at the beginning of the period (or at time of issuance, if later) and assumes the related proceeds were used to repurchase common stock at the average market price during the period. Related proceeds include the amount the employee must pay upon exercise, future compensation cost associated with the stock award, and the amount of excess tax benefits, if any. Approximately 672,000 and 664,000 stock-based awards were excluded from the calculation of diluted EPS for the three and six months ended June 30, 2011, and approximately 308,000 and 385,000 stock-based awards were excluded from the calculation of diluted EPS for the three and six months ended June 30, 2010, respectively, because they were anti-dilutive. These stock-based awards could be dilutive in future periods.

Preferred Stock

We have authorized the issuance of 10 million shares of preferred stock with no par value. In the event of a liquidation, dissolution, or winding up of the affairs of the corporation, whether voluntary or involuntary, the holders of any outstanding preferred stock will be entitled to be paid a preferential amount per share to be determined by the Board of Directors prior to any payment to holders of common stock. Shares of preferred stock may be converted into common stock based on terms, conditions, and rates as defined in the Rights Agreement, which may be adjusted by the Board of Directors. There was no preferred stock sold or outstanding at June 30, 2011 and December 31, 2010.

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Note 3:    Certain Balance Sheet Components

Accounts receivable, net	June 30, 2011		December 31, 2010
	(in thousands)
Trade receivables (net of allowance of $8,980 and $9,045)	$	348,736	$	328,811
Unbilled receivables	29,099		42,851
Total accounts receivable, net	$	377,835	$	371,662

At June 30, 2011 and December 31, 2010, $134,000 and $12.5 million were recorded within trade receivables as billed but not yet paid by customers in accordance with contract retainage provisions. At June 30, 2011 and December 31, 2010, contract retainage amounts that were unbilled and classified as unbilled receivables were $4.5 million and $2.1 million. These contract retainage amounts within trade receivables and unbilled receivables are expected to be collected within the following 12 months.

At June 30, 2011 and December 31, 2010, long-term unbilled receivables and long-term retainage contract receivables were $36.5 million and $5.9 million. The increase in long-term receivables from December 31, 2010 to June 30, 2011 includes $12.5 million of retainage contract receivables and $12.0 million of unbilled receivables, which were reclassified to long-term at June 30, 2011 due to a delay in reaching certain contract milestones required for payment. These long-term unbilled receivables and retainage contract receivables are classified within other long-term assets as collection is not anticipated within the following 12 months. However, collection is expected within the following 18 months.

Allowance for doubtful account activity	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	9,030		$	5,870		$	9,045		$	6,339
Provision (release) of doubtful accounts, net	298			742			(48		)	662
Accounts written-off	(505		)	(43		)	(552		)	(173		)
Effects of change in exchange rates	157			(271		)	535			(530		)
Ending balance	$	8,980		$	6,298		$	8,980		$	6,298

Inventories	June 30, 2011		December 31, 2010
	(in thousands)
Materials	$	132,303	$	106,021
Work in process	26,058		18,389
Finished goods	94,718		83,747
Total inventories	$	253,079	$	208,157

Our inventory levels may vary period to period as a result of our factory scheduling and the timing of contract fulfillments, which may include the buildup of finished goods for shipment.

Consigned inventory is held at third-party locations; however, we retain title to the inventory until purchased by the third-party. Consigned inventory, consisting of raw materials and finished goods, was $15.1 million and $17.6 million at June 30, 2011 and December 31, 2010, respectively.

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Property, plant, and equipment, net	June 30, 2011			December 31, 2010
	(in thousands)
Machinery and equipment	$	284,431		$	265,113
Computers and purchased software	69,894			63,077
Buildings, furniture, and improvements	150,987			146,661
Land	33,879			35,968
Construction in progress, including purchased equipment	24,600			20,531
Total cost	563,791			531,350
Accumulated depreciation	(262,333		)	(232,108		)
Property, plant, and equipment, net	$	301,458		$	299,242

Depreciation expense	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Depreciation expense	$	16,571	$	14,994	$	32,505	$	30,494

Note 4:    Intangible Assets

The gross carrying amount and accumulated amortization of our intangible assets, other than goodwill, are as follows:

	June 30, 2011							December 31, 2010
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	406,570	$	(302,669	)	$	103,901	$	378,705	$	(274,198	)	$	104,507
Customer contracts and relationships	307,223		(131,606		)	175,617		282,997		(110,539		)	172,458
Trademarks and trade names	77,078		(64,196		)	12,882		73,194		(59,235		)	13,959
Other	11,177		(10,647		)	530		24,256		(23,510		)	746
Total intangible assets	$	802,048	$	(509,118	)	$	292,930	$	759,152	$	(467,482	)	$	291,670

A summary of the intangible asset account activity is as follows:

	Six Months Ended June 30,
	2011			2010
	(in thousands)
Beginning balance, intangible assets, gross	$	759,152		$	806,256
Intangible assets acquired	10,297			—
Assets no longer in use written-off	(8,369		)	—
Effect of change in exchange rates	40,968			(78,155		)
Ending balance, intangible assets, gross	$	802,048		$	728,101

Intangible assets that were written-off had been fully amortized and were no longer in use. Intangible assets of our international subsidiaries are recorded in their respective functional currency; therefore, the carrying amounts of intangible assets increase or decrease, with a corresponding change in accumulated OCI, due to changes in foreign currency exchange rates.

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Estimated future annual amortization expense is as follows:

Years ending December 31,	Estimated Annual Amortization
	(in thousands)
2011 (amount remaining at June 30, 2011)	$	32,306
2012	50,234
2013	41,442
2014	34,082
2015	27,997
Beyond 2015	106,869
Total intangible assets, net	$	292,930

Note 5:    Goodwill

The following table reflects goodwill allocated to each reporting segment at June 30, 2011 and 2010:

	Itron North America		Itron International			Total Company
	(in thousands)
Goodwill balance at January 1, 2010	$	197,515	$	1,108,084		$	1,305,599
Effect of change in exchange rates	89		(159,606		)	(159,517		)
Goodwill balance at June 30, 2010	$	197,604	$	948,478		$	1,146,082
Goodwill balance at January 1, 2011	$	198,048	$	1,011,328		$	1,209,376
Goodwill acquired	—		10,251			10,251
Effect of change in exchange rates	205		91,939			92,144
Goodwill balance at June 30, 2011	$	198,253	$	1,113,518		$	1,311,771

Note 6:    Debt

The components of our borrowings are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Term loans
USD denominated term loan	$	200,616		$	218,642
EUR denominated term loan	151,350			174,031
Convertible senior subordinated notes	223,604			218,268
Total debt	575,570			610,941
Current portion of long-term debt	(234,449		)	(228,721		)
Long-term debt	$	341,121		$	382,220

Credit Facility

Our credit facility is dated April 18, 2007 and includes two amendments dated April 24, 2009 and February 10, 2010. The principal balance of our euro denominated term loan at June 30, 2011 and December 31, 2010 was €105.8 million and €132.4 million, respectively. Interest rates on the credit facility are based on the respective borrowing's denominated London Interbank Offered Rate (LIBOR) or the Wells Fargo Bank, National Association's prime rate, plus an additional margin subject to our consolidated leverage ratio. The additional interest rate margin was 3.50% at June 30, 2011. Our interest rates were 3.70% for the U.S. dollar denominated and 4.72% for the euro denominated term loans at June 30, 2011. Scheduled amortization of principal payments is 1% per year (0.25% quarterly) with an excess cash flow provision for additional annual principal repayment requirements. The amount of the excess cash flow provision payment varies according to our consolidated leverage ratio. Maturities of the term loans and the multicurrency revolving line of credit are in April 2014 and 2013, respectively. The credit facility is secured by substantially all of the assets of Itron, Inc. and our U.S. domestic operating subsidiaries and includes covenants, which contain certain financial ratios and place restrictions on the incurrence of debt, the payment of dividends, certain investments, incurrence of capital

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expenditures above a set limit, and mergers.

The credit facility includes a multicurrency revolving line of credit, which was increased from $240 million to $315 million on January 20, 2011. The increase was completed under the terms of the credit facility. Prepaid debt fees of $379,000 were capitalized associated with the increase in the credit line. There were no other changes to the credit facility.

At June 30, 2011, there were no borrowings outstanding under the revolving line of credit, and $40.0 million was utilized by outstanding standby letters of credit, resulting in $275.0 million being available for additional borrowings.

We repaid $2.7 million and $55.6 million of the term loans during the three and six months ended June 30, 2011, respectively. Repayments of $21.1 million and $73.9 million were made during the three and six months ended June 30, 2010, respectively. These term loan repayments were made with cash flows from operations and cash on hand. We were in compliance with the debt covenants under the credit facility at June 30, 2011.

Convertible Senior Subordinated Notes

On August 4, 2006, we issued $345 million of 2.50% convertible notes due August 2026. Fixed interest payments are required every six months, in February and August of each year. For each six month period beginning August 2011, contingent interest payments of approximately 0.19% of the average trading price of the convertible notes will be made if certain thresholds are met or events occur, as outlined in the indenture. The convertible notes are registered with the SEC and are generally transferable. Our convertible notes are not considered conventional convertible debt as the number of shares, or cash, to be received by the holders was not fixed at the inception of the obligation. We have concluded that the conversion feature of our convertible notes does not need to be bifurcated from the host contract and accounted for as a freestanding derivative, as the conversion feature is indexed to our own stock and would be classified within stockholders’ equity if it were a freestanding instrument.

The convertible notes may be converted at the option of the holder at a conversion rate of 15.3478 shares of our common stock for each $1,000 principal amount of the convertible notes, under the following circumstances, as defined in the indenture:

◦ if the closing sale price per share of our common stock exceeds $78.19, which is 120% of the conversion price of $65.16, for at least 20 trading days in the 30 consecutive trading day period ending on the last trading day of the preceding fiscal quarter;

◦ between July 1, 2011 and August 1, 2011, and any time after August 1, 2024;

◦ during the five business days after any five consecutive trading day period in which the trading price of the convertible notes for each day was less than 98% of the average conversion value of the convertible notes;

◦ if the convertible notes are called for redemption;

◦ if a fundamental change occurs; or

◦ upon the occurrence of defined corporate events.

The amount payable upon conversion is the result of a formula based on the closing prices of our common stock for 20 consecutive trading days following the date of the conversion notice. Based on the conversion ratio of 15.3478 shares per $1,000 principal amount of the convertible notes, if our stock price is lower than the conversion price of $65.16, the amount payable will be less than the $1,000 principal amount and will be settled in cash. Our closing stock price at June 30, 2011 was $48.16 per share.

Upon conversion, the principal amount of the convertible notes will be settled in cash and, at our option, the remaining conversion obligation (stock price in excess of conversion price) may be settled in cash, shares, or a combination. The conversion rate for the convertible notes is subject to adjustment upon the occurrence of certain corporate events, as defined in the indenture, to ensure that the economic rights of the convertible note holders are preserved.

The convertible notes also contain purchase options, at the option of the holders, which if exercised would require us to repurchase all or a portion of the convertible notes on August 1, 2011, August 1, 2016, and August 1, 2021 at 100% of the principal amount, plus accrued and unpaid interest. If we are required to purchase the convertible notes at 100% of the principal amount, no gain or loss would be recognized upon derecognition as the fair value of the consideration transferred to the holder would equal the fair value of the liability component.

On or after August 1, 2011, we have the option to redeem all or a portion of the convertible notes at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. If we elect to redeem all or a portion of the convertible notes at 100% of the principal amount, no gain or loss would be recognized upon derecognition as the fair value of the consideration transferred to the holder would equal the fair value of the liability component.

The convertible notes are unsecured, subordinated to our credit facility (senior secured borrowings), and are guaranteed by one

8

U.S. subsidiary, which is 100% owned. The convertible notes contain covenants, which place restrictions on the incurrence of debt and certain mergers. We were in compliance with these debt covenants at June 30, 2011.

The convertible notes are classified as current on the Consolidated Balance Sheet due to the combination of put, call, and conversion options occurring in 2011.

Our convertible notes are separated between the liability and equity components using our estimated non-convertible debt borrowing rate at the time our convertible notes were issued, which was determined to be 7.38%. This rate also reflects the effective interest rate on the liability component. The equity component would be retained as a permanent component of our shareholders' equity in the event the convertible notes are either purchased or redeemed at 100% of the principal amount. At June 30, 2011, the discount on the liability component was fully amortized. The carrying amounts of the debt and equity components are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Face value of convertible notes	$	223,604	$	223,604
Unamortized discount	—		(5,336		)
Net carrying amount of debt component	$	223,604	$	218,268
Carrying amount of equity component	$	31,831	$	31,831

The interest expense relating to both the contractual interest coupon and amortization of the discount on the liability component are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Contractual interest coupon	$	1,397	$	1,397	$	2,795	$	2,795
Amortization of the discount on the liability component	2,693		2,501		5,336		4,957
Total interest expense on convertible notes	$	4,090	$	3,898	$	8,131	$	7,752

Note 7:    Derivative Financial Instruments

As part of our risk management strategy, we use derivative instruments to hedge certain foreign currency and interest rate exposures. Refer to Note 1, Note 12, and Note 13 for additional disclosures on our derivative instruments.

The fair values of our derivative instruments are determined using the income approach and significant other observable inputs (also known as “Level 2”), as defined by FASB Accounting Standards Codification (ASC) 820-10-20, Fair Value Measurements. We have used observable market inputs based on the type of derivative and the nature of the underlying instrument. The key inputs used at June 30, 2011 included interest rate yield curves (swap rates and futures) and foreign exchange spot and forward rates, all of which are available in an active market. We have utilized the mid-market pricing convention for these inputs at June 30, 2011. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments is in a net asset position. We consider our own nonperformance risk when the net fair value of our derivative instruments is in a net liability position by discounting our derivative liabilities to reflect the potential credit risk to our counterparty through applying a current market indicative credit spread to all cash flows.

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The fair values of our derivative instruments determined using the fair value measurement of significant other observable inputs (Level 2) at June 30, 2011 and December 31, 2010 are as follows:

		Fair Value
	Balance Sheet Location	June 30, 2011		December 31, 2010
		(in thousands)
Asset Derivatives
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current assets	$	171	$	63
Liability Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other current liabilities	$	2,395	$	5,845
Interest rate swap contracts	Other long-term obligations	182		975
Euro denominated term loan *	Current portion of debt	4,794		4,402
Euro denominated term loan *	Long-term debt	146,556		169,629
Total derivatives designated as hedging instruments under ASC 815-20		$	153,927	$	180,851
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current liabilities	$	200	$	457
Total liability derivatives		$	154,127	$	181,308

* The euro denominated term loan is a nonderivative financial instrument designated as a hedge of our net investment in international operations. It is recorded at its carrying value in the Consolidated Balance Sheets and is not recorded at fair value.

OCI during the reporting period for our derivative and nonderivative instruments designated as hedging instruments (collectively, hedging instruments), net of tax, was as follows:

	2011			2010
	(in thousands)
Net unrealized loss on hedging instruments at January 1,	$	(10,034	)	$	(30,300	)
Unrealized gain (loss) on derivative instruments	(164		)	(2,542		)
Unrealized gain (loss) on a nonderivative net investment hedging instrument	(9,262		)	24,352
Realized (gains) losses reclassified into net income (loss)	2,774			4,197
Net unrealized loss on hedging instruments at June 30,	$	(16,686	)	$	(4,293	)

Cash Flow Hedges

We are exposed to interest rate risk through our credit facility. We enter into swaps to achieve a fixed rate of interest on the hedged portion of debt in order to increase our ability to forecast interest expense. The objective of these swaps is to protect us from increases in the LIBOR base borrowing rates on our floating rate credit facility. The swaps do not protect us from changes to the applicable margin under our credit facility.

In 2007, we entered into a pay fixed 6.59% receive three-month Euro Interbank Offered Rate (EURIBOR), plus 2%, amortizing interest rate swap to convert a significant portion of our euro denominated variable-rate term loan to fixed-rate debt, plus or minus the variance in the applicable margin from 2%, through December 31, 2012. The cash flow hedge is currently, and is expected to be, highly effective in achieving offsetting cash flows attributable to the hedged risk through the term of the hedge. Consequently, effective changes in the fair value of the interest rate swap are recorded as a component of OCI and are recognized in earnings when the hedged item affects earnings. The amounts paid or received on the hedge are recognized as adjustments to interest expense. The notional amount of the swap is reduced each quarter and was $115.6 million (€80.8 million) and $147.7 million (€112.4 million) as of June 30, 2011 and December 31, 2010, respectively. The amount of net losses expected to be reclassified into earnings in the next 12 months is approximately $2.2 million (€1.5 million), which was based on the Reuters euro swap yield curve as of June 30, 2011.

Our two one-year pay-fixed receive one-month LIBOR interest rate swaps, which each converted $100 million of our U.S. dollar term loan from a floating LIBOR interest rate to fixed interest rates of 2.11% and 2.15%, respectively, expired on June 30, 2011. These swaps did not include the additional interest rate margin applicable to our term debt.

We will continue to monitor and assess our interest rate risk and may institute additional interest rate swaps or other derivative instruments to manage such risk in the future.

The before tax effect of our cash flow derivative instruments on the Consolidated Balance Sheets and the Consolidated Statements of Operations for the three and six months ended June 30 are as follows:

Derivatives in ASC 815-20 Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in OCI on Derivative  (Effective Portion)						Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)							Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)
							Location	Amount						Location	Amount
	2011			2010				2011			2010				2011			2010
	(in thousands)							(in thousands)							(in thousands)
Three Months Ended June 30,
Interest rate swap contracts	$	(2,149	)	$	(839	)	Interest expense	$	(1,788	)	$	(3,238	)	Interest expense	$	(31	)	$	(14	)
Six Months Ended June 30,
Interest rate swap contracts	$	(4,477	)	$	(4,122	)	Interest expense	$	(4,171	)	$	(6,810	)	Interest expense	$	(80	)	$	(74	)

Net Investment Hedge

We are exposed to foreign exchange risk through our international subsidiaries. As a result of our acquisition of an international company in 2007, we entered into a euro denominated term loan, which exposes us to fluctuations in the euro foreign exchange rate. Therefore, we have designated this foreign currency denominated term loan as a hedge of our net investment in international operations. The non-functional currency term loan is revalued into U.S. dollars at each balance sheet date, and the changes in value associated with currency fluctuations are recorded as adjustments to long-term debt with offsetting gains and losses recorded in OCI. The notional amount of the term loan declines each quarter due to repayments and was $151.4 million (€105.8 million) and $174.0 million (€132.4 million) as of June 30, 2011 and December 31, 2010, respectively. We had no hedge ineffectiveness.

The before tax and net of tax effects of our net investment hedge nonderivative financial instrument on OCI for the three and six months ended June 30 are as follows:

Nonderivative Financial Instruments in ASC 815-20 Net Investment Hedging Relationships	Euro Denominated Term Loan Designated as a Hedge of Our  Net Investment in International Operations
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Gain (loss) recognized in OCI on derivative (Effective Portion)
Before tax	$	(2,343	)	$	20,943	$	(14,923	)	$	39,498
Net of tax	$	(1,452	)	$	12,908	$	(9,262	)	$	24,352

Derivatives Not Designated as Hedging Relationships

We are also exposed to foreign exchange risk when we enter into non-functional currency transactions, both intercompany and third-party. At each period-end, foreign currency monetary assets and liabilities are revalued with the change recorded to other income and expense. We enter into monthly foreign exchange forward contracts (a total of 257 contracts were entered into during the six months ended June 30, 2011), not designated for hedge accounting, with the intent to reduce earnings volatility associated with certain of these balances. The notional amounts of the contracts ranged from $50,000 to $72 million, offsetting our exposures from the euro, British pound, Canadian dollar, Czech koruna, Hungarian forint, and various other currencies.

10

The effect of our foreign exchange forward derivative instruments on the Consolidated Statements of Operations for the three and six months ended June 30 is as follows:

Derivatives Not Designated as Hedging Instrument under ASC 815-20	Gain (Loss) Recognized on Derivatives in Other Income (Expense)
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Foreign exchange forward contracts	$	(1,259	)	$	3,316	$	(3,341	)	$	3,047

Note 8:    Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees, primarily in Germany, France, Italy, Indonesia, and Spain, offering death and disability, retirement, and special termination benefits. The defined benefit obligation is calculated annually by using the projected unit credit method. The measurement date for the pension plans was December 31, 2010.

Our defined benefit pension plans are denominated in the functional currencies of the respective countries in which the plans are sponsored; therefore, the balances increase or decrease, with a corresponding change in OCI, due to changes in foreign currency exchange rates. Amounts recognized on the Consolidated Balance Sheets consist of:

	June 30, 2011			December 31, 2010
	(in thousands)
Plan assets in other long term assets	$	(468	)	$	(412	)
Current portion of pension plan liability in wages and benefits payable	2,910			2,656
Long-term portion of pension plan liability	69,675			61,450
Net pension plan benefit liability	$	72,117		$	63,694

Our asset investment strategy focuses on maintaining a portfolio using primarily insurance funds, which are accounted for as investments and measured at fair value, in order to achieve our long-term investment objectives on a risk adjusted basis. Our general funding policy for these qualified pension plans is to contribute amounts sufficient to satisfy regulatory funding standards of the respective countries for each plan. We contributed $37,000 and $391,000 to the defined benefit pension plans for the three and six months ended June 30, 2011, and $313,000 and $338,000 for the three and six months ended June 30, 2010, respectively. The timing of when contributions are made can vary by plan and from year to year. For 2011, assuming that actual plan asset returns are consistent with our expected rate of return, and that interest rates remain constant, we expect to contribute approximately $500,000 to our defined benefit pension plans. We contributed $519,000 to the defined benefit pension plans for the year ended December 31, 2010.

Net periodic pension benefit costs for our plans include the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Service cost	$	601		475			$	1,218		$	1,000
Interest cost	969			844			1,886			1,750
Expected return on plan assets	(83		)	(71		)	(163		)	(148		)
Amortization of actuarial net loss (gain)	14			(6		)	28			(13		)
Amortization of unrecognized prior service costs	19			—			37			—
Net periodic benefit cost	$	1,520		$	1,242		$	3,006		$	2,589

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Note 9:    Stock-Based Compensation

We record stock-based compensation expense for awards of stock options, stock sold pursuant to our ESPP, and the issuance of restricted stock units and unrestricted stock awards. We expense stock-based compensation primarily using the straight-line method over the vesting requirement period. For the three and six months ended June 30, stock-based compensation expense and the related tax benefit were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Stock options	$	511	$	952	$	1,544	$	2,295
Restricted stock units	3,853		3,441		7,404		6,382
Unrestricted stock awards	15		14		190		189
ESPP	164		138		380		255
Total stock-based compensation	$	4,543	$	4,545	$	9,518	$	9,121
Related tax benefit	$	1,257	$	1,324	$	2,659	$	2,732

We issue new shares of common stock upon the exercise of stock options or when vesting conditions on restricted stock units are fully satisfied.

The fair values of stock options granted were estimated at the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:

	Employee Stock Options
	Three Months Ended June 30,		Six Months Ended June 30,
	2011(1)	2010(1)	2011		2010
Dividend yield	—	—	—		—
Expected volatility	—	—	46.6	%	48.7	%
Risk-free interest rate	—	—	2.0	%	2.3	%
Expected life (years)	—	—	4.85		4.61

⁽¹⁾ There were no employee stock options granted for the three months ended June 30, 2011 and 2010.

Expected volatility is based on a combination of historical volatility of our common stock and the implied volatility of our traded options for the related expected life period. We believe this combined approach is reflective of current and historical market conditions and an appropriate indicator of expected volatility. The risk-free interest rate is the rate available as of the award date on zero-coupon U.S. government issues with a term equal to the expected life of the award. The expected life is the weighted average expected life of an award based on the period of time between the date the award is granted and the date an estimate of the award is fully exercised. Factors considered in estimating the expected life include historical experience of similar awards, contractual terms, vesting schedules, and expectations of future employee behavior. We have not paid dividends in the past and do not plan to pay dividends in the foreseeable future.

Subject to stock splits, dividends, and other similar events, 3,500,000 shares of common stock are reserved and authorized for issuance under our 2010 Stock Incentive Plan (Stock Incentive Plan). Awards consist of stock options, restricted stock units, and unrestricted stock awards. At June 30, 2011, 2,178,243 shares were available for grant under the Stock Incentive Plan.

Stock Options

Options to purchase our common stock are granted to employees and the Board of Directors with an exercise price equal to the market close price of the stock on the date the Board of Directors approves the grant. Options generally become exercisable in three equal annual installments beginning one year from the date of grant and generally expire 10 years from the date of grant. Compensation expense is recognized only for those options expected to vest, with forfeitures estimated based on our historical experience and future expectations.

A summary of our stock option activity for the six months ended June 30 is as follows:

	Shares		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value (1)		Weighted Average Grant Date Fair Value
	(in thousands)				(years)	(in thousands)
Outstanding, January 1, 2010	1,179		$	52.93	5.90	$	22,863
Granted	71		61.97					$	27.18
Exercised	(133	)	41.51			$	4,114
Outstanding, June 30, 2010	1,117		$	54.89	6.04	$	15,391
Exercisable and expected to vest, June 30, 2010	1,104		$	54.73	6.01	$	15,379
Exercisable, June 30, 2010	963		$	52.03	5.61	$	15,241
Outstanding, January 1, 2011	1,102		$	55.21	5.58	$	10,883
Granted	78		56.64					$	23.93
Exercised	(26	)	19.91			$	989
Expired	(1	)	7.00
Outstanding, June 30, 2011	1,153		$	56.13	5.48	$	5,903
Exercisable and expected to vest, June 30, 2011	1,145		$	56.12	5.45	$	5,903
Exercisable, June 30, 2011	1,029		$	55.85	5.05	$	5,903

⁽¹⁾  The aggregate intrinsic value of outstanding stock options represents amounts that would have been received by the optionees had all in- the-money options been exercised on that date. Specifically, it is the amount by which the market value of Itron’s stock exceeded the exercise price of the outstanding in-the-money options before applicable income taxes, based on our closing stock price on the last business day of the period. The aggregate intrinsic value of stock options exercised during the period is calculated based on our stock price at the date of exercise.

As of June 30, 2011, total unrecognized stock-based compensation expense related to nonvested stock options was approximately $2.4 million, which is expected to be recognized over a weighted average period of approximately 1.1 years.

Restricted Stock Units

Certain employees and senior management receive restricted stock units as a component of their total compensation. The fair value of a restricted stock unit is the market close price of our common stock on the date of grant. Restricted stock units generally vest over a three year period. Compensation expense, net of forfeitures, is recognized over the vesting period.

Subsequent to vesting, the restricted stock units are converted into shares of our common stock on a one-for-one basis and issued to employees. We are entitled to an income tax deduction in an amount equal to the taxable income reported by the employees upon vesting of the restricted stock units.

The restricted stock units issued under the Long Term Performance Restricted Stock Unit Award Agreement (Performance Award Agreement) are determined based on the attainment of annual performance goals after the end of the calendar year performance period. During the year, if management determines that it is probable that the targets will be achieved, compensation expense, net of forfeitures, is recognized on a straight-line basis over the annual performance and subsequent vesting period for each separately vesting portion of the award. Performance awards typically vest and are released in three equal installments at the end of each year following attainment of the performance goals. For U.S. participants who retire during the performance period, a pro-rated number of restricted stock units (based on the number of days of employment during the performance period) immediately vest based on the attainment of the performance goals as assessed after the end of the performance period. During the vesting period, unvested restricted stock units immediately vest at the date of retirement for U.S. participants who retire during that period. For U.S. participants who are or will become retirement eligible during either the annual performance or vesting period, compensation expense is accelerated and recognized over the greater of the performance period (one year) or the participant’s retirement eligible date. For performance awards granted in 2011, the maximum restricted stock units that may become eligible for vesting is 150,000 with a grant date fair value of $56.75.

The following table summarizes restricted stock unit activity for the six months ended June 30:

	Number of Restricted Stock Units		Weighted Average  Grant Date Fair Value		Aggregate Intrinsic Value(1)
	(in thousands)				(in thousands)
Outstanding, January 1, 2010	326
Granted(2)	210		$	63.52
Released	(75	)			$	4,965
Forfeited	(12	)
Outstanding, June 30, 2010	449
Outstanding, January 1, 2011	588
Granted(2)	255		$	56.64
Released	(192	)			$	15,007
Forfeited	(5	)
Outstanding, June 30, 2011	646
Expected to vest, June 30, 2011	545				$	26,268

⁽¹⁾  The aggregate intrinsic value is the market value of the stock, before applicable income taxes, based on the closing price on the stock release dates or at the end of the period for restricted stock units expected to vest.

⁽²⁾  These restricted stock units do not include the respective 2010 and 2011 awards under the Performance Awards Agreement, which are not eligible for vesting as of June 30 of each respective year.

At June 30, 2011, unrecognized compensation expense was $26.0 million, which is expected to be recognized over a weighted average period of approximately 2.2 years.

Unrestricted Stock Awards

We issue unrestricted stock awards to our Board of Directors as part of their compensation. Awards are fully vested and expensed when issued. The fair value of unrestricted stock awards is the market close price of our common stock on the date of grant.

The following table summarizes unrestricted stock award activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of unrestricted stock issued	276		192		3,453		2,766
Weighted average grant date fair value	$	54.17	$	77.69	$	54.96	$	68.49

Employee Stock Purchase Plan

Under the terms of the ESPP, employees can deduct up to 10% of their regular cash compensation to purchase our common stock at a 15% discount from the fair market value of the stock at the end of each fiscal quarter, subject to other limitations under the plan. The sale of the stock occurs at the beginning of the subsequent quarter.

12

The following table summarizes ESPP activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of stock sold to employees(1)	25,567		10,736		42,625		23,086
Weighted average fair value per ESPP award(2)	$	7.22	$	9.27	$	7.88	$	9.95

⁽¹⁾  Stock sold to employees during each fiscal quarter under the ESPP is associated with the offering period ending on the last day of the previous fiscal quarter.

⁽²⁾  Relating to awards associated with the offering period during the three and six months ended June 30.

At June 30, 2011, all compensation cost associated with the ESPP had been recognized. There were approximately 154,000 shares of common stock available for future issuance under the ESPP at June 30, 2011.

Note 10:    Income Taxes

Our tax provisions (benefits) as a percentage of income (loss) before tax typically differs from the federal statutory rate of 35%, and may vary from period to period, due to fluctuations in the forecasted mix of earnings in domestic and international jurisdictions, new or revised tax legislation and accounting pronouncements, tax credits, state income taxes, adjustments to valuation allowances, and interest expense and penalties related to uncertain tax positions, among other items.

For the three and six months ended June 30, 2011, we had tax provision (benefit) of (0.2)% and 13%, based on a percentage of income before tax, as compared with tax provisions of 29% and 3% for the same periods in 2010.

Our tax provision in 2011 is lower than the federal statutory rate due to projected earnings in tax jurisdictions with rates lower than 35%, the benefit of certain interest expense deductions, a benefit related to the settlement of a foreign tax litigation, and an election under U.S. Internal Revenue Code Sections 338 with respect to a foreign acquisition in 2007.

Our tax provisions in 2010 were the result of certain interest expense deductions and the election under U.S. Internal Revenue Code Section 338 with respect to a foreign acquisition in 2007, as well as the estimated mix of earnings in different tax jurisdictions. The 2010 tax provisions also reflect the receipt of a clean energy manufacturing tax credit awarded as part of the American Recovery and Reinvestment Act and a benefit related to the reduction of tax reserves for certain foreign subsidiaries.

We classify interest expense and penalties related to unrecognized tax liabilities and interest income on tax overpayments as components of income tax expense. The net interest and penalties expense (benefit) recognized is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2011		2010			2011		2010
	(in thousands)
Net interest and penalties expense (benefit)	$	113	$	(502	)	$	108	$	296

Accrued interest and penalties recorded are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Accrued interest	$	4,766	$	4,403
Accrued penalties	3,574		3,233

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Unrecognized tax benefits related to uncertain tax positions and the amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Unrecognized tax benefits related to uncertain tax positions	$	29,162	$	42,175
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate	29,089		30,832

At June 30, 2011, we are not able to reasonably estimate the timing of future cash flows relating to our uncertain tax positions.

We believe it is reasonably possible that our unrecognized tax benefits may decrease by approximately $4.4 million within the next twelve months due to the expiration of statute of limitations.

Note 11:    Commitments and Contingencies

Guarantees and Indemnifications

We are often required to obtain standby letters of credit (LOC’s) or bonds in support of our obligations for customer contracts. These standby LOC’s or bonds typically provide a guarantee to the customer for future performance, which usually covers the installation phase of a contract and may on occasion cover the operations and maintenance phase of outsourcing contracts.

Our available lines of credit, outstanding standby LOC’s, and bonds are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Credit facility(1)
Multicurrency revolving line of credit	$	315,000		$	240,000
Standby LOC’s issued and outstanding	(39,970		)	(43,540		)
Net available for additional borrowings and LOC’s	$	275,030		$	196,460
Unsecured multicurrency revolving lines of credit with various financial institutions
Total lines of credit	$	74,685		$	49,122
Standby LOC’s issued and outstanding	(32,329		)	(21,784		)
Short-term borrowings(2)	(264		)	(66		)
Net available for additional borrowings and LOC’s	$	42,092		$	27,272
Unsecured surety bonds in force	$	133,352		$	120,109

⁽¹⁾  See Note 6 for details regarding our credit facility, which is secured.

⁽²⁾  Short-term borrowings are included in “Other current liabilities” on the Consolidated Balance Sheets.

In the event any such standby LOC or bond is called, we would be obligated to reimburse the issuer of the standby LOC or bond; however, we do not believe that any outstanding LOC or bond will be called.

We generally provide an indemnification related to the infringement of any patent, copyright, trademark, or other intellectual property right on software or equipment within our sales contracts, which indemnifies the customer from and pays the resulting costs, damages, and attorney’s fees awarded against a customer with respect to such a claim provided that (a) the customer promptly notifies us in writing of the claim and (b) we have the sole control of the defense and all related settlement negotiations. We also provide an indemnification to our customers for third party claims resulting from damages caused by the negligence or willful misconduct of our employees/agents in connection with the performance of certain contracts. The terms of our indemnifications generally do not limit the maximum potential payments. It is not possible to predict the maximum potential amount of future payments under these or similar agreements.

Legal Matters

We are subject to various legal proceedings and claims of which the outcomes are subject to significant uncertainty. Our policy is to assess the likelihood of any adverse judgments or outcomes related to legal matters, as well as ranges of probable losses. A determination of the amount of the liability required, if any, for these contingencies is made after an analysis of each known issue. A liability is recorded and charged to operating expense when we determine that a loss is probable and the amount can be reasonably estimated. Additionally, we disclose contingencies for which a material loss is reasonably possible, but not probable. Liabilities recorded for legal contingencies at June 30, 2011 were not material to our financial condition or results of operations.

In October, 2010, Transdata Incorporated (Transdata) filed a complaint in the U.S. District Court for the Eastern District of Texas against CenterPoint Energy, one of our customers, and several other utilities alleging infringement of three patents owned by Transdata related to the use of an antenna in a meter. Pursuant to our contract with CenterPoint, we agreed to indemnify and defend CenterPoint in this lawsuit. The complaint seeks unspecified damages as well as injunctive relief. CenterPoint has denied all of the allegations. We believe these claims are without merit and we intend to vigorously defend our interests. We do not believe this matter will have a material adverse effect on our business or financial condition, although an unfavorable outcome could have a material adverse effect on our results of operations for the period in which such a loss is recognized.

On February 23, 2011, a class action lawsuit was filed in U.S. Federal Court for the Eastern District of Washington alleging a violation of federal securities laws relating to a restatement of our financial results for the quarters ended March 31, June 30, and September 30, 2010. These revisions were made primarily to defer revenue that had been incorrectly recognized on one contract due to a misinterpretation of an extended warranty obligation. The effect was to reduce revenue and earnings in each of the first three quarters of the year. For the first nine months of 2010, total revenue was reduced by $6.1 million and diluted EPS was reduced by $0.11. We believe the facts and legal claims alleged are without merit and we intend to vigorously defend our interests.

In March 2011, a lawsuit was filed in the Superior Court of the State of Washington, in and for Spokane County against certain officers and directors seeking unspecified damages on behalf of Itron, Inc. The complaint alleges that the defendants breached their fiduciary obligations to Itron with respect to the restatement of Itron's financial results for the quarters ended March 31, June 30, and September 30, 2010. This lawsuit is a shareholder derivative action that purports to assert claims on behalf of Itron, Inc.

In June 2011, a lawsuit was filed in the United States District Court for the Eastern District of Texas alleging infringement of three patents owned by EON Corp. IP Holdings, LLC (EON), related to two-way communication networks, network components, and related software platforms. The complaint seeks unspecified damages as well as injunctive relief. Although the complaint was filed, it has not been served and Itron has received a letter from EON requesting settlement discussions. We believe these claims are without merit and we intend to vigorously defend our interests. We do not believe this matter will have a material adverse effect on our business or financial condition, although an unfavorable outcome could have a material adverse effect on our results of operations for the period in which the claim is resolved.

Warranty

A summary of the warranty accrual account activity is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	59,163		$	33,353		$	51,283		$	33,873
New product warranties	2,196			3,221			4,079			6,017
Other changes/adjustments to warranties	5,631			14,366			14,643			15,596
Reclassification from other current liabilities	—			2,687			—			2,878
Claims activity	(4,768		)	(3,317		)	(9,215		)	(7,063		)
Effect of change in exchange rates	616			(786		)	2,048			(1,777		)
Ending balance, June 30	62,838			49,524			62,838			49,524
Less: current portion of warranty	29,999			26,250			29,999			26,250
Long-term warranty	$	32,839		$	23,274		$	32,839		$	23,274

Total warranty expense is classified within cost of revenues and consists of new product warranties issued and other changes and adjustments to warranties.

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Warranty expense associated with our segments for the three and six months ended June 30 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	3,625	$	6,068	$	6,514	$	8,739
Itron International	4,202		11,519		3,650		12,874
Total warranty expense	$	7,827	$	17,587	$	10,164	$	21,613

Warranty expense for the six months ended June 30, 2011 for Itron International reflects an $8.6 million recovery from a third party, associated with the settlement of product claims in Sweden in 2010, and a warranty charge of $7.7 million related to certain products in Brazil. Warranty expense for the six months ended June 30, 2010 for Itron International included $9.6 million related to the resolution of claims in Sweden.

Extended Warranty

A summary of changes to unearned revenue for extended warranty contracts is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	17,193		$	7,459		$	14,637		$	5,870
Unearned revenue for new extended warranties	2,215			2,587			5,148			4,546
Unearned revenue recognized	(299		)	(381		)	(676		)	(751		)
Ending balance, June 30	19,109			9,665			19,109			9,665
Less: current portion of unearned revenue for extended warranty	1,160			1,319			1,160			1,319
Long-term unearned revenue for extended warranty within Other long-term obligations	$	17,949		$	8,346		$	17,949		$	8,346

Health Benefits

We are self insured for a substantial portion of the cost of our U.S. employee group health insurance. We purchase insurance from a third party, which provides individual and aggregate stop loss protection for these costs. Each reporting period, we expense the costs of our health insurance plan including paid claims, the change in the estimate of incurred but not reported (IBNR) claims, taxes, and administrative fees (collectively, the plan costs).

Plan costs are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Plan costs	$	5,927	$	4,316	$	12,671	$	9,402

IBNR accrual, which is included in wages and benefits payable, are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
IBNR accrual	$	2,386	$	2,056

Our IBNR accrual and expenses may fluctuate due to the number of plan participants, claims activity, and deductible limits. For our employees located outside of the United States, health benefits are provided primarily through governmental social plans, which are funded through employee and employer tax withholdings.

Restructuring

As a result of our global segment reorganization that was announced in March 2011, we are performing a comprehensive review of our cost structure. We are also completing a feasibility study of our manufacturing footprint to determine how to consolidate our manufacturing operations to reduce costs and improve efficiency. Once these plans are formalized and approved by management, which we expect to be complete in October 2011, we will provide estimated charges by category. Restructuring costs of $1.9 million were recorded in the second quarter of 2011 primarily associated with severance for positions that were eliminated in the second quarter.

Note 12:    Other Comprehensive Income (Loss)

OCI is reflected as a net increase (decrease) to shareholders’ equity and is not reflected in our results of operations. Total comprehensive income (loss) during the reporting periods, net of tax, was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Net income (loss)	$	34,436		$	25,311		$	61,556		$	50,561
Foreign currency translation adjustment, net	23,097			(115,021		)	123,544			(212,499		)
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges, net	(224		)	(517		)	(164		)	(2,542		)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument, net	(1,452		)	12,908			(9,262		)	24,352
Net hedging (gain) loss reclassified into net income (loss), net	1,332			1,995			2,774			4,197
Pension plan benefits liability adjustment, net	24			(117		)	(528		)	(685		)
Total comprehensive income (loss)	$	57,213		$	(75,441	)	$	177,920		$	(136,616	)

Income tax (provision) benefit related to OCI during the reporting periods was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Foreign currency translation adjustment	$	(67	)	$	(72	)	$	(412	)	$	(585	)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	137			322			142			1,580
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	891			(8,035		)	5,661			(15,146		)
Net hedging (gain) loss reclassified into net income (loss)	(817		)	(1,243		)	(1,703		)	(2,613		)
Pension plan benefits liability adjustment	(9		)	38			217			221
Total income tax (provision) benefit on other comprehensive income (loss)	$	135		$	(8,990	)	$	3,905		$	(16,543	)

Accumulated other comprehensive income (loss), net of tax, was $81.4 million at June 30, 2011 and $(35.0) million at December 31, 2010. These amounts include adjustments for foreign currency translation, the unrealized gain (loss) on our hedging instruments, the hedging gain (loss), and the pension liability adjustment as indicated above.

15

Note 13:    Fair Values of Financial Instruments

The fair values at June 30, 2011 and December 31, 2010 do not reflect subsequent changes in the economy, interest rates, tax rates, and other variables that may affect the determination of fair value.

	June 30, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets			(in thousands)
Cash and cash equivalents	$	168,284	$	168,284	$	169,477	$	169,477
Foreign exchange forwards	171		171		63		63
Liabilities
Term loans
USD denominated term loan	$	200,616	$	201,619	$	218,642	$	219,462
EUR denominated term loan	151,350		152,107		174,031		174,684
Convertible senior subordinated notes	223,604		224,163		218,268		236,461
Interest rate swaps	2,577		2,577		6,820		6,820
Foreign exchange forwards	200		200		457		457

The following methods and assumptions were used in estimating fair values:

Cash and cash equivalents: Due to the liquid nature of these instruments, the carrying value approximates fair value.

Term loans: The term loans are not registered with the SEC but are generally transferable through banks that hold the debt and make a market. The fair value is based on quoted prices from recent trades of the term loans.

Convertible senior subordinated notes: The convertible notes are registered with the SEC and are generally transferable. The fair value is based on quoted prices from recent broker trades of the convertible notes. At June 30, 2011, the discount on the liability component was fully amortized. See Note 6 for further discussion.

Derivatives: See Note 7 for a description of our methods and assumptions in determining the fair value of our derivatives, which were determined using fair value measurements of significant other observable inputs (Level 2).

Note 14:    Segment Information

We have two operating segments: Itron North America and Itron International. Itron North America generates the majority of its revenues in the United States and Canada, while Itron International generates the majority of its revenues in Europe, and the balance in Africa, Latin America, and Asia/Pacific.

On March 14, 2011, we announced a global reorganization in which the Company will be managed under two operating segments, Energy and Water. Although certain management positions of the Company’s two new operating segments have been identified, a transition to the new organizational structure, including changes to operations and financial and operational management systems will continue through the remainder of 2011. Throughout 2011, management and external financial reporting will be based on the current geographic operating segments, Itron North America and Itron International, as the new segment information will not be available until changes to the operations have occurred and new systems and processes are deployed. Financial reporting of the Energy and Water operating segments is expected in the first quarter of 2012.

We have three measures of segment performance: revenue, gross profit (margin), and operating income (margin). Intersegment revenues were minimal. Corporate operating expenses, interest income, interest expense, other income (expense), and income tax provision (benefit) are not allocated to the segments, nor included in the measure of segment profit or loss.

16

Segment Products

Itron North America

Standard electricity (electronic), gas, and water meters; advanced and smart electricity and water meters and communication modules; advanced and smart gas communication modules; advanced systems including handheld, mobile, and fixed network collection technologies; smart network technologies; meter data management software; knowledge application solutions; and professional services including implementation, installation, consulting, and analysis.

Itron International

Standard electricity (electromechanical and electronic), gas, and water meters; advanced electricity, gas, and water meters; advanced water communication modules; smart electricity meters and communication modules; prepayment systems, including smart key, keypad, and smart card communication technologies; advanced systems including handheld, mobile, and fixed network collection technologies; smart network technologies; meter data management software; knowledge application solutions; and professional services including implementation, installation, consulting/analysis, and system management.

Revenues, gross profit, and operating income associated with our segments were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Revenues
Itron North America	$	288,224		$	301,143		$	565,206		$	542,702
Itron International	324,177			266,196			610,886			522,260
Total Company	$	612,401		$	567,339		$	1,176,092		$	1,064,962
Gross profit
Itron North America	$	96,958		$	100,972		$	191,680		$	179,131
Itron International	94,125			73,084			183,513			151,989
Total Company	$	191,083		$	174,056		$	375,193		$	331,120
Operating income (loss)
Itron North America	$	42,739		$	55,384		$	86,532		$	87,420
Itron International	16,483			5,017			32,711			15,454
Corporate unallocated	(11,137		)	(10,392		)	(21,069		)	(21,246		)
Total Company	48,085			50,009			98,174			81,628
Total other income (expense)	(13,729		)	(14,279		)	(27,131		)	(29,627		)
Income before income taxes	$	34,356		$	35,730		$	71,043		$	52,001

No single customer represented more than 10% of total Company revenues for the three and six months ended June 30, 2011, while one customer represented more than 10% of total Company revenues during the same periods in 2010. Two customers each accounted for more than 10% of Itron North America revenues for the three and six months ended June 30, 2011, while three customers each accounted for more than 10% of Itron North America revenues for the same periods in 2010. No single customer represented more than 10% of Itron International revenues for the three and six months ended June 30, 2011 and 2010.

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
United States and Canada	$	285,931	$	299,502	$	560,393	$	538,502
Europe	228,354		192,864		431,185		388,348
Other	98,116		74,973		184,514		138,112
Total revenues	$	612,401	$	567,339	$	1,176,092	$	1,064,962

17

Depreciation and amortization expense associated with our segments was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	11,176	$	11,441	$	22,347	$	22,728
Itron International	21,591		20,352		41,950		42,342
Corporate Unallocated	1		—		2		1
Total Company	$	32,768	$	31,793	$	64,299	$	65,071

18

Note 15:    Consolidating Financial Information

Our convertible notes, issued by Itron, Inc., are guaranteed by one U.S. subsidiary, which is 100% owned. The guaranty by our U.S. subsidiary is joint and several, full, complete, and unconditional. There are currently no restrictions on the ability of the subsidiary guarantor to transfer funds to the parent company.

Consolidating Statement of Operations

Three Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	289,090		$	—	$	345,332		$	(22,021	)	$	612,401
Cost of revenues	194,728			—		248,611			(22,021		)	421,318
Gross profit	94,362			—		96,721			—			191,083
Operating expenses
Sales and marketing	18,195			—		30,650			—			48,845
Product development	26,673			—		14,258			—			40,931
General and administrative	13,529			—		21,589			—			35,118
Amortization of intangible assets	3,512			—		12,685			—			16,197
Restructuring	501			—		1,406			—			1,907
Total operating expenses	62,410			—		80,588			—			142,998
Operating income	31,952			—		16,133			—			48,085
Other income (expense)
Interest income	57			842		134			(865		)	168
Interest expense	(12,178		)	—		(107		)	865			(11,420		)
Other income (expense), net	(1,436		)	—		(1,041		)	—			(2,477		)
Total other income (expense)	(13,557		)	842		(1,014		)	—			(13,729		)
Income before income taxes	18,395			842		15,119			—			34,356
Income tax (provision) benefit	(2,823		)	—		2,903			—			80
Equity in earnings of guarantor and non-guarantor subsidiaries, net	18,864			—		—			(18,864		)	—
Net income	$	34,436		$	842	$	18,022		$	(18,864	)	$	34,436

19

Consolidating Statement of Operations

Three Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	298,380		$	—	$	283,082		$	(14,123	)	$	567,339
Cost of revenues	199,882			—		207,524			(14,123		)	393,283
Gross profit	98,498			—		75,558			—			174,056
Operating expenses
Sales and marketing	15,706			—		25,268			—			40,974
Product development	21,051			—		11,971			—			33,022
General and administrative	13,467			—		19,818			—			33,285
Amortization of intangible assets	4,086			—		12,680			—			16,766
Total operating expenses	54,310			—		69,737			—			124,047
Operating income	44,188			—		5,821			—			50,009
Other income (expense)
Interest income	116			776		87			(868		)	111
Interest expense	(14,621		)	—		(212		)	868			(13,965		)
Other income (expense), net	4,002			—		(4,427		)	—			(425		)
Total other income (expense)	(10,503		)	776		(4,552		)	—			(14,279		)
Income before income taxes	33,685			776		1,269			—			35,730
Income tax benefit (provision)	(12,539		)	—		2,120			—			(10,419		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	4,165			—		—			(4,165		)	—
Net income	$	25,311		$	776	$	3,389		$	(4,165	)	$	25,311

20

Consolidating Statement of Operations

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	562,653		$	—	$	653,623		$	(40,184	)	$	1,176,092
Cost of revenues	377,003			—		464,080			(40,184		)	800,899
Gross profit	185,650			—		189,543			—			375,193
Operating expenses
Sales and marketing	35,210			—		58,283			—			93,493
Product development	51,864			—		29,512			—			81,376
General and administrative	26,474			—		41,975			—			68,449
Amortization of intangible assets	7,024			—		24,770			—			31,794
Restructuring	501			—		1,406			—			1,907
Total operating expenses	121,073			—		155,946			—			277,019
Operating income	64,577			—		33,597			—			98,174
Other income (expense)
Interest income	14,902			1,668		411			(16,505		)	476
Interest expense	(24,997		)	—		(15,042		)	16,505			(23,534		)
Other income (expense), net	(2,603		)	—		(1,470		)	—			(4,073		)
Total other income (expense)	(12,698		)	1,668		(16,101		)	—			(27,131		)
Income before income taxes	51,879			1,668		17,496			—			71,043
Income tax (provision) benefit	(14,190		)	—		4,703			—			(9,487		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	23,867			—		—			(23,867		)	—
Net income	$	61,556		$	1,668	$	22,199		$	(23,867	)	$	61,556

21

Consolidating Statement of Operations

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	539,253		$	—	$	551,911		$	(26,202	)	$	1,064,962
Cost of revenues	364,772			—		395,272			(26,202		)	733,842
Gross profit	174,481			—		156,639			—			331,120
Operating expenses
Sales and marketing	31,273			—		51,238			—			82,511
Product development	42,229			—		23,833			—			66,062
General and administrative	27,250			—		39,092			—			66,342
Amortization of intangible assets	8,172			—		26,405			—			34,577
Total operating expenses	108,924			—		140,568			—			249,492
Operating income	65,557			—		16,071			—			81,628
Other income (expense)
Interest income	475			1,534		226			(1,957		)	278
Interest expense	(30,201		)	—		(644		)	1,957			(28,888		)
Other income (expense), net	2,973			—		(3,990		)	—			(1,017		)
Total other income (expense)	(26,753		)	1,534		(4,408		)	—			(29,627		)
Income before income taxes	38,804			1,534		11,663			—			52,001
Income tax (provision) benefit	(2,792		)	—		1,352			—			(1,440		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	14,549			—		—			(14,549		)	—
Net income	$	50,561		$	1,534	$	13,015		$	(14,549	)	$	50,561

22

Consolidating Balance Sheet

June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	79,037		$	—		$	89,247	$	—		$	168,284
Accounts receivable, net	117,090			—			260,745		—			377,835
Intercompany accounts receivable	11,599			—			8,375		(19,974		)	—
Inventories	111,702			—			142,341		(964		)	253,079
Deferred tax assets current, net	37,450			—			17,695		—			55,145
Other current assets	25,101			—			81,079		(1,684		)	104,496
Intercompany other	2,088			—			—		(2,088		)	—
Total current assets	384,067			—			599,482		(24,710		)	958,839
Property, plant, and equipment, net	116,725			—			184,733		—			301,458
Deferred tax assets noncurrent, net	(19,705		)	—			32,419		—			12,714
Other long-term assets	48,220			—			20,747		—			68,967
Intangible assets, net	34,804			—			258,126		—			292,930
Goodwill	184,749			—			1,127,022		—			1,311,771
Investment in subsidiaries	320,053			—			—		(320,053		)	—
Intercompany notes receivable	1,397,260			103,085			—		(1,500,345		)	—
Total assets	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	82,347		$	—		$	186,115	$	—		$	268,462
Other current liabilities	6,648			—			34,982		—			41,630
Intercompany accounts payable	8,375			—			11,599		(19,974		)	—
Wages and benefits payable	35,475			—			59,380		—			94,855
Taxes payable	4,537			—			23,439		—			27,976
Current portion of debt	234,449			—			—		—			234,449
Current portion of warranty	10,737			—			19,262		—			29,999
Unearned revenue	27,779			—			21,943		—			49,722
Short-term intercompany advances	—			—			2,088		(2,088		)	—
Total current liabilities	410,347			—			358,808		(22,062		)	747,093
Long-term debt	341,121			—			—		—			341,121
Long-term warranty	11,767			—			21,072		—			32,839
Pension plan benefits	—			—			69,675		—			69,675
Intercompany notes payable	103,085			—			1,397,260		(1,500,345		)	—
Deferred tax liabilities noncurrent, net	(44,218		)	—			95,757		—			51,539
Other long-term obligations	26,601			—			60,341		—			86,942
Total liabilities	848,703			—			2,002,913		(1,522,407		)	1,329,209
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,339,504			97,377			101,192		(198,569		)	1,339,504
Accumulated other comprehensive income (loss), net	81,390			(7,787		)	50,861		(43,074		)	81,390
Retained earnings	196,576			13,495			67,563		(81,058		)	196,576
Total shareholders’ equity	1,617,470			103,085			219,616		(322,701		)	1,617,470
Total liabilities and shareholders’ equity	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679

23

Consolidating Balance Sheet

December 31, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	19,146		$	—		$	150,331	$	—		$	169,477
Accounts receivable, net	163,758			—			207,904		—			371,662
Intercompany accounts receivable	10,106			—			3,675		(13,781		)	—
Inventories	99,846			—			109,208		(897		)	208,157
Deferred tax assets current, net	40,344			—			15,007		—			55,351
Other current assets	23,962			—			53,608		—			77,570
Intercompany other	1,997			—			—		(1,997		)	—
Total current assets	359,159			—			539,733		(16,675		)	882,217
Property, plant, and equipment, net	115,499			—			183,743		—			299,242
Deferred tax assets noncurrent, net	7,684			—			27,366		—			35,050
Other long-term assets	14,134			—			14,108		—			28,242
Intangible assets, net	41,828			—			249,842		—			291,670
Goodwill	184,750			—			1,024,626		—			1,209,376
Investment in subsidiaries	324,104			—			—		(324,104		)	—
Intercompany notes receivable	1,283,139			101,418			—		(1,384,557		)	—
Total assets	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	75,027		$	—		$	166,922	$	—		$	241,949
Other current liabilities	12,223			—			37,467		—			49,690
Intercompany accounts payable	3,675			—			10,106		(13,781		)	—
Wages and benefits payable	54,804			—			55,675		—			110,479
Taxes payable	3,368			—			16,357		—			19,725
Current portion of debt	228,721			—			—		—			228,721
Current portion of warranty	8,813			—			16,099		—			24,912
Unearned revenue	21,926			—			6,332		—			28,258
Short-term intercompany advances	—			—			1,997		(1,997		)	—
Total current liabilities	408,557			—			310,955		(15,778		)	703,734
Long-term debt	382,220			—			—		—			382,220
Long-term warranty	13,721			—			12,650		—			26,371
Pension plan benefit liability	—			—			61,450		—			61,450
Intercompany notes payable	101,418			—			1,283,139		(1,384,557		)	—
Deferred tax liabilities noncurrent, net	(38,400		)	—			92,812		—			54,412
Other long-term obligations	34,486			—			54,829		—			89,315
Total liabilities	902,002			—			1,815,835		(1,400,335		)	1,317,502
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,328,249			97,377			136,441		(233,818		)	1,328,249
Accumulated other comprehensive income (loss), net	(34,974		)	(7,786		)	41,778		(33,992		)	(34,974		)
Retained earnings	135,020			11,827			45,364		(57,191		)	135,020
Total shareholders’ equity	1,428,295			101,418			223,583		(325,001		)	1,428,295
Total liabilities and shareholders’ equity	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797

24

Consolidating Statement of Cash Flows

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	61,556		$	1,668		$	22,199		$	(23,867	)	$	61,556
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	22,314			—			41,985			—			64,299
Stock-based compensation	9,518			—			—			—			9,518
Amortization of prepaid debt fees	2,265			—			—			—			2,265
Amortization of convertible debt discount	5,336			—			—			—			5,336
Deferred taxes, net	17,948			—			(11,867		)	—			6,081
Equity in losses of guarantor and non-guarantor subsidiaries, net	(23,867		)	—			—			23,867			—
Other adjustments, net	(209		)	—			494			—			285
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	22,209			—			(34,315		)	—			(12,106		)
Inventories	(11,789		)	—			(24,879		)	—			(36,668		)
Other current assets	750			—			(22,018		)	—			(21,268		)
Other long-term assets	(11,410		)	—			(11,583		)	—			(22,993		)
Accounts payables, other current liabilities, and taxes payable	4,585			—			11,938			—			16,523
Wages and benefits payable	(19,329		)	—			(2,202		)	—			(21,531		)
Unearned revenue	9,875			—			14,284			—			24,159
Warranty	(30		)	—			9,540			—			9,510
Intercompany transactions, net	3,207			—			(3,207		)	—			—
Other operating, net	(1,159		)	—			3,885			—			2,726
Net cash provided by (used in) operating activities	91,770			1,668			(5,746		)	—			87,692
Investing activities
Acquisitions of property, plant, and equipment	(14,579		)	—			(14,133		)	—			(28,712		)
Business acquisition, net of cash equivalents acquired	—			—			(14,635		)	—			(14,635		)
Current intercompany notes, net	106			(1,668		)	—			1,562			—
Other investing, net	34,541			—			(34,028		)	—			513
Net cash provided by (used in) investing activities	20,068			(1,668		)	(62,796		)	1,562			(42,834		)
Financing activities
Payments on debt	(55,630		)	—			—			—			(55,630		)
Issuance of common stock	2,553			—			—			—			2,553
Current intercompany notes, net	1,668			—			(106		)	(1,562		)	—
Other financing, net	(538		)	—			219			—			(319		)
Net cash provided by (used in) financing activities	(51,947		)	—			113			(1,562		)	(53,396		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			7,345			—			7,345
Increase (decrease) in cash and cash equivalents	59,891			—			(61,084		)	—			(1,193		)
Cash and cash equivalents at beginning of period	19,146			—			150,331			—			169,477
Cash and cash equivalents at end of period	$	79,037		$	—		$	89,247		$	—		$	168,284
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	2,114		$	—		$	(1,136	)	$	—		$	978
Fair value of contingent and deferred consideration payable for business acquisition	—			—			5,108			—			5,108
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	(1,028	)	$	—		$	7,870		$	—		$	6,842
Interest, net of amounts capitalized	15,719			—			208			—			15,927

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Consolidating Statement of Cash Flows

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	50,561		$	1,534		$	13,015		$	(14,549	)	$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,655			—			42,416			—			65,071
Stock-based compensation	9,121			—			—			—			9,121
Amortization of prepaid debt fees	2,762			—			—			—			2,762
Amortization of convertible debt discount	4,957			—			—			—			4,957
Deferred income taxes, net	2,639			—			(10,771		)	—			(8,132		)
Equity in losses of guarantor and non-guarantor subsidiaries, net	(14,549		)	—			—			14,549			—
Other adjustments, net	1,972			—			1,334			—			3,306
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(33,080		)	—			(19,044		)	—			(52,124		)
Inventories	(33,896		)	—			(7,034		)	—			(40,930		)
Other current assets	6,504			—			1,871			—			8,375
Other long-term assets	1,215			—			(1,978		)	—			(763		)
Accounts payables, other current liabilities, and taxes payable	22,873			—			19,590			—			42,463
Wages and benefits payable	16,928			—			2,720			—			19,648
Unearned revenue	(330		)	—			2,695			—			2,365
Warranty	3,692			—			10,663			—			14,355
Intercompany transactions, net	2,784			—			(2,784		)	—			—
Other operating, net	68			—			(4,017		)	—			(3,949		)
Net cash provided by operating activities	66,876			1,534			48,676			—			117,086
Investing activities
Acquisitions of property, plant, and equipment	(15,490		)	—			(12,226		)	—			(27,716		)
Current intercompany notes, net	27,259			(1,534		)	5,000			(30,725		)	—
Other investing, net	2,572			—			1,923			—			4,495
Net cash provided by (used in) investing activities	14,341			(1,534		)	(5,303		)	(30,725		)	(23,221		)
Financing activities
Payments on debt	(73,881		)	—			—			—			(73,881		)
Issuance of common stock	6,812			—			—			—			6,812
Current intercompany notes, net	(3,466		)	—			(27,259		)	30,725			—
Other financing, net	(1,340		)	—			(897		)	—			(2,237		)
Net cash used in financing activities	(71,875		)	—			(28,156		)	30,725			(69,306		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			(9,081		)	—			(9,081		)
Increase in cash and cash equivalents	9,342			—			6,136			—			15,478
Cash and cash equivalents at beginning of period	16,385			—			105,508			—			121,893
Cash and cash equivalents at end of period	$	25,727		$	—		$	111,644		$	—		$	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	(245	)	$	—		$	(3,246	)	$	—		$	(3,491	)
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	9,191		$	—		$	164		$	—		$	9,355
Interest, net of amounts capitalized	20,958			—			220			—			21,178

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Note 16:    Subsequent Event

On August 1, 2011, in accordance with the terms of the convertible senior subordinated notes, at the option of the holders we repurchased $184.8 million of the convertible notes at their principal amount plus accrued and unpaid interest. The convertible notes were repurchased using a combination of cash on hand and borrowings under our multicurrency revolving line of credit.

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ITEM 2: Management’s Discussion and Analysis of Financial Condition and Results of Operations

In this Quarterly Report on Form 10-Q, the terms “we,” “us,” “our,” “Itron,” and the “Company” refer to Itron, Inc.

The following discussion and analysis should be read in conjunction with the unaudited condensed consolidated financial statements and notes included in this report and with our Annual Report on Form 10-K for the year ended December 31, 2010, filed with the Securities and Exchange Commission (SEC) on February 25, 2011.

Documents we provide to the SEC are available free of charge under the Investors section of our website at www.itron.com as soon as practicable after they are filed with or furnished to the SEC. In addition, these documents are available at the SEC’s website (http://www.sec.gov) and at the SEC’s Headquarters at 100 F Street, NE, Washington, DC 20549, or by calling 1-800-SEC-0330.

Certain Forward-Looking Statements

This document contains forward-looking statements concerning our operations, financial performance, revenues, earnings growth, liquidity, and other items. This document reflects our current plans and expectations and is based on information currently available as of the date of this Quarterly Report on Form 10-Q. When we use the words “expect,” “intend,” “anticipate,” “believe,” “plan,” “project,” “estimate,” “future,” “objective,” “may,” “will,” “will continue,” and similar expressions, they are intended to identify forward-looking statements. Forward-looking statements rely on a number of assumptions and estimates. These assumptions and estimates could be inaccurate and cause our actual results to vary materially from expected results. Risks and uncertainties include 1) the rate and timing of customer demand for our products, 2) rescheduling or cancellations of current customer orders and commitments, 3) reliance on certain key vendors and components, 4) competition, 5) changes in estimated liabilities for product warranties and/or litigation, 6) our dependence on customers’ acceptance of new products and their performance, 7) changes in domestic and international laws and regulations, 8) future business combinations, 9) changes in foreign currency exchange rates and interest rates, 10) international business risks, 11) our own and our customers' or suppliers' access to and cost of capital, and 12) other factors. You should not solely rely on these forward-looking statements as they are only valid as of the date of this Quarterly Report on Form 10-Q. We do not have any obligation to publicly update or revise any forward-looking statement in this document. For a more complete description of these and other risks, refer to Item 1A: “Risk Factors” included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2010, which was filed with the SEC on February 25, 2011, as well as Part II: Other Information Item 1A "Risk Factors" included in this Quarterly Report on Form 10-Q.

Results of Operations

We derive the majority of our revenues from sales of products and services to utilities. Our products and services include hardware, software, managed services, and consulting. Cost of revenues includes materials, labor, overhead, warranty expense, and distribution and documentation costs for software.

On March 14, 2011, we announced a global reorganization in which the Company will be managed under two operating segments, Energy and Water. Although certain management positions of the Company’s two new operating segments have been identified, a transition to the new organizational structure, including changes to operations and financial and operational management systems will continue through the remainder of 2011. Throughout 2011, management and external financial reporting will be based on the current geographic operating segments, Itron North America and Itron International, as the new segment information will not be available until changes to the new operations have occurred and new systems and processes are deployed. Financial reporting of the Energy and Water operating segments is expected to commence in the first quarter of 2012.

Overview

Revenues for the three months ended June 30, 2011 increased 8% to $612 million, and revenues for the six months ended June 30, 2011 increased 10% to $1.2 billion, compared with the same periods last year. The revenue growth was driven by Itron International with 22% and 17% revenue increases for the three and six months ended June 30, 2011, compared with the same periods last year. Meter and communication module volumes increased 2% and 4% for the three and six months ended June 30, 2011, compared with the same periods last year. Gross margin was 50 and 80 basis points higher for the three and six months ended June 30, 2011, compared with the same periods last year. Diluted earnings per share were $0.84 and $1.50 for the three and six months ended June 30, 2011, compared with $0.61 and $1.23 for the same periods last year. Total backlog was $1.6 billion and twelve-month backlog was $1.0 billion at June 30, 2011.

As part of our global segment reorganization that was announced in March 2011, we are performing a comprehensive review of our cost structure. We are also completing a feasibility study of our manufacturing footprint to determine how to consolidate our

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manufacturing operations to reduce costs and improve efficiency. Once these plans are formalized and approved by management, which we expect to be complete in October 2011, we will provide estimated charges by category. Restructuring costs of $1.9 million were recorded in the second quarter of 2011 primarily associated with severance for positions that were eliminated in the second quarter.

The three and six months ended June 30, 2011 included $7.8 million and $7.3 million of net discrete tax benefits due to the reduction of tax reserves for certain international subsidiaries, compared with minimal discrete tax benefits in the three months ended June 30, 2010 and approximately $11 million of discrete tax benefits related to the receipt of a clean energy manufacturing tax credit and reductions of tax reserves for certain international subsidiaries in the six months ended June 30, 2010.

Term debt repayments during the six months ended June 30, 2011 were $55.6 million, bringing the total debt outstanding to $575.6 million at June 30, 2011.

Total Company Revenues, Gross Profit and Margin, and Unit Shipments

	Three Months Ended June 30,							Six Months Ended June 30,
	2011			2010			% Change	2011			2010			% Change
	(in thousands)							(in thousands)
Revenues	$	612,401		$	567,339		8%	$	1,176,092		$	1,064,962		10%
Gross Profit	$	191,083		$	174,056		10%	$	375,193		$	331,120		13%
Gross Margin	31.2		%	30.7		%		31.9		%	31.1		%

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Revenues by region
United States and Canada	$	285,931	$	299,502	$	560,393	$	538,502
Europe	228,354		192,864		431,185		388,348
Other	98,116		74,973		184,514		138,112
Total revenues	$	612,401	$	567,339	$	1,176,092	$	1,064,962

Revenues

Revenues increased $45.1 million and $111.1 million, or 8% and 10%, for the three and six months ended June 30, 2011, compared with the same periods last year. The net translation effect of our operations denominated in foreign currencies to the U.S. dollar accounted for $35.8 million and $40.0 million of the increase in revenues for the three and six months ended June 30, 2011, compared with the same periods last year. A more detailed analysis of these fluctuations is provided in Operating Segment Results.

No single customer represented more than 10% of total revenues for the three and six months ended June 30, 2011, and one customer represented more than 10% of total revenues for the three and six months ended June 30, 2010. Our 10 largest customers accounted for 30% and 31% of total revenues for the three and six months ended June 30, 2011, and 34% and 30% for the three and six months ended June 30, 2010, respectively.

Gross Margins

Gross margin was 31.2% and 31.9% for the three and six months ended June 30, 2011, compared with 30.7% and 31.1% for the same periods last year due to improved Itron International margins and their relative contribution. A more detailed analysis of these fluctuations is provided in Operating Segment Results.

Meter and Module Summary

Meters can be broken down into three categories:

• Standard metering – no built-in remote reading communication capability

• Advanced metering – one-way communication of meter data

• Smart metering – two-way communication including remote meter configuration and upgrade (consisting primarily of our OpenWay® technology)

In addition, advanced and smart meter communication modules can be sold separately from the meter. Depending on customers’ preferences, we also incorporate other vendors’ communication technology in our meters. A summary of our meter and

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communication module shipments is as follows:

	Three Months Ended June 30,		Six Months Ended June 30,
	2011	2010	2011	2010
	(units in thousands)
Total meters (standard, advanced, and smart)
Itron North America
Electricity	1,570	1,740	3,090	3,190
Gas	140	160	280	260
Itron International
Electricity	1,870	1,930	3,490	3,570
Gas	1,110	1,020	2,050	2,000
Water	2,420	2,380	4,960	4,670
Total meters	7,110	7,230	13,870	13,690
Additional meter information (Total Company)
Advanced meters	1,130	1,050	2,030	1,720
Smart meters	910	1,050	1,900	1,860
Standalone advanced and smart communication modules	1,850	1,600	3,280	2,790
Advanced and smart meters and communication modules	3,890	3,700	7,210	6,370
Meters with other vendors’ advanced or smart communication technology	120	70	230	260

Operating Segment Results

For a description of our operating segments, refer to Item 1: “Financial Statements Note 14: Segment Information”.

	Three Months Ended June 30,									Six Months Ended June 30,
	2011			2010		% Change				2011			2010		% Change
Segment Revenues	(in thousands)									(in thousands)
Itron North America	$	288,224		$	301,143	(4)%				$	565,206		$	542,702	4%
Itron International	324,177			266,196		22%				610,886			522,260		17%
Total revenues	$	612,401		$	567,339	8%				$	1,176,092		$	1,064,962	10%
	Three Months Ended June 30,									Six Months Ended June 30,
	2011					2010				2011					2010
	Gross Profit			Gross Margin		Gross Profit			Gross Margin	Gross Profit			Gross Margin		Gross Profit			Gross Margin
Segment Gross Profit and Margin	(in thousands)					(in thousands)				(in thousands)					(in thousands)
Itron North America	$	96,958		33.6%		$	100,972		33.5%	$	191,680		33.9%		$	179,131		33.0%
Itron International	94,125			29.0%		73,084			27.5%	183,513			30.0%		151,989			29.1%
Total gross profit and margin	$	191,083		31.2%		$	174,056		30.7%	$	375,193		31.9%		$	331,120		31.1%
	Three Months Ended June 30,									Six Months Ended June 30,
	2011					2010				2011					2010
	Operating Income (Loss)			Operating Margin		Operating Income (Loss)			Operating Margin	Operating Income (Loss)			Operating Margin		Operating Income (Loss)			Operating Margin
Segment Operating Income (Loss) and Operating Margin	(in thousands)					(in thousands)				(in thousands)					(in thousands)
Itron North America	$	42,739		15%		$	55,384		18%	$	86,532		15%		$	87,420		16%
Itron International	16,483			5%		5,017			2%	32,711			5%		15,454			3%
Corporate unallocated	(11,137		)			(10,392		)		(21,069		)			(21,246		)
Total Company	$	48,085		8%		$	50,009		9%	$	98,174		8%		$	81,628		8%

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Itron North America:

Revenues - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Revenues decreased $12.9 million, or 4%, for the three months ended June 30, 2011, compared with the same period last year. The decrease in revenues was primarily due to a 23% decline in OpenWay meter and communication module volumes, which is the result of the timing of certain projects nearing completion and others commencing rollouts. OpenWay products and services accounted for 39% of operating segment revenues for the three months ended June 30, 2011, compared with 46% for the same period last year. Non-OpenWay product and service revenues, including smart gas communication modules, increased 11% for the three months ended June 30, 2011, compared with the same period last year.

Two customers each represented more than 10% of Itron North America revenues in the three months ended June 30, 2011, and three customers each represented more than 10% of Itron North America revenues in the three months ended June 30, 2010.

Revenues - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Revenues increased $22.5 million, or 4%, for the six months ended June 30, 2011, compared with the same period last year. The increase in revenues was primarily due to a 11% increase in non-OpenWay product and service revenues, including smart gas communication modules.

Two customers each represented more than 10% of Itron North America revenues in the six months ended June 30, 2011, and three customers each represented more than 10% of Itron North America revenues in the six months ended June 30, 2010.

Gross Margin - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Gross margin was 33.6% for the three months ended June 30, 2011, compared with gross margin of 33.5% for the same period last year. Increased revenues and margins for non-OpenWay smart gas communication modules and non-OpenWay services were offset by higher OpenWay project costs.

Gross Margin - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Gross margin increased to 33.9% for the six months ended June 30, 2011, compared with gross margin of 33.0% for the same period last year. Increased revenues and margins for smart gas communication modules and non-OpenWay services were partially offset by higher OpenWay project costs.

Operating Expenses - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Itron North America operating expenses increased $8.6 million, or 19%, for the three months ended June 30, 2011, compared with the same period last year, primarily due to increased product development costs for new and enhanced products, as well as higher marketing expense associated with the pursuit of smart grid opportunities. These higher costs were partially offset by a scheduled decrease in amortization of intangible assets. Operating expenses as a percentage of revenues were 19% for the three months ended June 30, 2011, compared with 15% for the same period last year.

Operating Expenses - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Itron North America operating expenses increased $13.4 million, or 15%, for the six months ended June 30, 2011, compared with the same period last year, primarily due to increased product development costs for new and enhanced products, as well as higher marketing expense associated with the pursuit of smart grid opportunities. These higher costs were partially offset by a scheduled decrease in amortization of intangible assets. Operating expenses as a percentage of revenues were 19% for the six months ended June 30, 2011, compared with 17% for the same period last year.

Itron International:

Itron International business line revenues were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Electricity	$	117,549	$	104,066	$	215,235	$	199,727
Water	106,709		81,564		213,196		173,881
Gas	99,919		80,566		182,455		148,652
Itron International revenues	$	324,177	$	266,196	$	610,886	$	522,260

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Revenues - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Revenues increased $58.0 million, or 22%, for the three months ended June 30, 2011, compared with the same period last year. The net translation effect of our operations denominated in foreign currencies to the U.S. dollar accounted for $34.4 million of the increase in revenues. Meter and communication module volumes increased 3% for the three months ended June 30, 2011, compared with the same period last year primarily due to increased gas and water advanced metering projects. Itron International experiences variability in revenues as a result of the diverse economies in which it operates and sells its products.

No single customer represented more than 10% of Itron International revenues in the three months ended June 30, 2011 and 2010.

Revenues - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Revenues increased $88.6 million, or 17%, for the six months ended June 30, 2011, compared with the same period last year. The net translation effect of our operations denominated in foreign currencies to the U.S. dollar accounted for $37.4 million of the increase in revenues. Meter and communication module volumes increased 5% for the six months ended June 30, 2011, compared with the same period last year primarily due to increased gas and water advanced metering projects.

No single customer represented more than 10% of Itron International revenues in the six months ended June 30, 2011 and 2010.

Gross Margin - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Itron International gross margin increased to 29.0% for the three months ended June 30, 2011, compared with gross margin of 27.5% for the same period last year. Gross margin for the three months ended June 30, 2010 was impacted by warranty expense of $9.6 million associated with claims in Sweden that meters were adversely affected by high frequency pollution from third party devices in the home environment.

• Electricity margins were favorably impacted by lower warranty expense, and unfavorably impacted primarily by lower service margin associated with implementation of complex systems. The second quarter of 2010 included $9.6 million of warranty expense associated with claims in Sweden.

• Gas margins increased due to a favorable product mix of higher margin Commercial and Industrial (C&I) products.

• Water margins decreased primarily due to higher material costs, including brass.

Gross Margin - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Itron International gross margin increased to 30.0% for the six months ended June 30, 2011, compared with gross margin of 29.1% for the same period last year. Gross margin for the six months ended June 30, 2010 was impacted by warranty expense of $9.6 million associated with claims in Sweden described above.

• Electricity margins were impacted favorably by lower warranty expense. Warranty expense in 2011 included an $8.6 million recovery from a third party associated with claims in Sweden and a $7.7 million charge related to certain products in Brazil. The second quarter of 2010 included $9.6 million of warranty expense associated with claims in Sweden.

• Gas margins increased due to a favorable product mix of higher margin C&I products.

• Water margins decreased primarily due to higher material costs, including brass.

Operating Expenses - Three months ended June 30, 2011 vs. Three months ended June 30, 2010

Itron International operating expenses increased $9.6 million, or 14%, for the three months ended June 30, 2011, compared with the same period last year. The net translation effect of foreign currency to the U.S. dollar accounted for $8.2 million of the increase in operating expenses. Restructuring charges of $1.4 million were recorded in the second quarter of 2011 primarily associated with severance for positions that were eliminated. Operating expenses as a percentage of revenues were 24% for the three months ended June 30, 2011, compared with 26% for the same period last year.

Operating Expenses - Six months ended June 30, 2011 vs. Six months ended June 30, 2010

Itron International operating expenses increased $14.3 million, or 10%, for the six months ended June 30, 2011, compared with the same period last year. The net translation effect of foreign currency to the U.S. dollar accounted for $8.3 million of the increase in operating expenses. The remaining increase was primarily due to higher sales and marketing expense associated with higher revenues and investment in product development related to smart metering. Restructuring charges of $1.4 million were recorded in the second quarter of 2011 primarily associated with severance for positions that were eliminated. Operating expenses as a percentage of revenues were 25% for the six months ended June 30, 2011, compared with 26% for the same period last year.

Corporate unallocated:

Operating expenses not directly associated with an operating segment are classified as “Corporate unallocated.” These expenses increased 7% to $11.1 million in the three months ended June 30, 2011, compared with the same period last year, primarily due

32

to $500,000 in severance for positions that were eliminated. Corporate unallocated expenses remained relatively constant at $21.1 million in the six months ended June 30, 2011, compared with the same period last year.

Bookings and Backlog of Orders

Bookings for a reported period represent customer contracts and purchase orders received during the period that have met certain conditions, such as regulatory and/or contractual approval. Total backlog represents committed but undelivered contracts and purchase orders at period-end. Twelve-month backlog represents the portion of total backlog that we estimate will be recognized as revenue over the next 12 months. Backlog is not a complete measure of our future business as we have significant book-and-ship orders. Bookings and backlog may fluctuate significantly due to the timing of large project awards. In addition, annual or multi-year contracts are subject to rescheduling and cancellation by customers due to the long-term nature of the contracts. Beginning total backlog, plus bookings, minus revenues, will not equal ending total backlog due to miscellaneous contract adjustments, foreign currency fluctuations, and other factors.

Information on bookings and backlog is summarized as follows:

Quarter Ended	Quarterly Bookings		Ending Total Backlog		Ending 12-Month Backlog
	(in millions)
June 30, 2011	$	483	$	1,622	$	1,049
March 31, 2011	681		1,747		989
December 31, 2010	581		1,620		913
September 30, 2010	528		1,663		958
June 30, 2010	806		1,691		1,017

Information on bookings by our operating segments is as follows:

Quarter Ended	Total Bookings		Itron North America		Itron International
	(in millions)
June 30, 2011	$	483	$	148	$	335
March 31, 2011	681		379		302
December 31, 2010	581		301		280
September 30, 2010	528		272		256
June 30, 2010	806		517		289

When we sign project agreements to deploy our meter and communication systems, we include these contracts in bookings and backlog when regulatory approvals are received and/or contractual conditions are satisfied. For the quarter ended March 31, 2011, bookings and backlog included an OpenWay contract for $268 million with BC Hydro. For the quarter ended June 30, 2010, bookings and backlog included an OpenWay contract for $339 million with Detroit Edison.

Operating Expenses

The following table details our total operating expenses in dollars and as a percentage of revenues:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011		% of Revenues	2010		% of Revenues	2011		% of Revenues	2010		% of Revenues
	(in thousands)			(in thousands)			(in thousands)			(in thousands)
Sales and marketing	$	48,845	8%	$	40,974	7%	$	93,493	8%	$	82,511	8%
Product development	40,931		7%	33,022		6%	81,376		7%	66,062		6%
General and administrative	35,118		6%	33,285		6%	68,449		6%	66,342		6%
Amortization of intangible assets	16,197		3%	16,766		3%	31,794		3%	34,577		3%
Restructuring	1,907		—%	—		—%	1,907		—%	—		—%
Total operating expenses	$	142,998	23%	$	124,047	22%	$	277,019	24%	$	249,492	23%

Operating expenses increased $19.0 million, or 15%, for the three months ended June 30, 2011 and $27.5 million, or 11%, for the

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six months ended June 30, 2011, compared with the same periods last year. The impact on operating expenses from translation of foreign currencies was $8.4 million and $8.7 million for the three and six months ended June 30, 2011. The net increase in operating expenses was primarily due to product development costs for new and enhanced products, higher marketing expense associated with the pursuit of smart grid opportunities, and increased sales commission expense associated with higher revenues. Restructuring charges of $1.9 million were accrued in the second quarter of 2011 primarily associated with severance forpositions that were eliminated.

Other Income (Expense)

The following table shows the components of other income (expense):

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Interest income	$	168		$	111		$	476		$	278
Interest expense	(10,460		)	(12,455		)	(21,269		)	(26,126		)
Amortization of prepaid debt fees	(960		)	(1,510		)	(2,265		)	(2,762		)
Other income (expense), net	(2,477		)	(425		)	(4,073		)	(1,017		)
Total other income (expense)	$	(13,729	)	$	(14,279	)	$	(27,131	)	$	(29,627	)

Interest income: Interest income is generated from our cash and cash equivalents. Interest rates have continued to remain low.

Interest expense: Interest expense continues to decline each period as a result of our declining principal balance of debt outstanding. Total debt was $575.6 million and $610.9 million at June 30, 2011 and December 31, 2010, respectively. Refer to Item 1: “Financial Statements Note 6: Debt” for additional details related to our long-term borrowings.

Amortization of prepaid debt fees: Amortization of prepaid debt fees for the three and six months ended June 30, 2011 was lower than the same periods last year due to lower repayments on our borrowings of $55.6 million and $73.9 million for the respective periods. When debt is repaid early, the related portion of unamortized prepaid debt fees is written off and included in interest expense.

Other income (expense), net: Other expenses, net, consist primarily of unrealized and realized foreign currency gains and losses due to balances denominated in a currency other than the reporting entity's functional currency and other non-operating income (expenses). Foreign currency losses, net of hedging, were $770,000 and $1.9 million for the three and six months ended June 30, 2011, compared with net foreign currency gains of $450,000 and $670,000 in the same periods last year.

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Financial Condition

Cash Flow Information:

	Six Months Ended June 30,
	2011			2010
	(in thousands)
Operating activities	$	87,692		$	117,086
Investing activities	(42,834		)	(23,221		)
Financing activities	(53,396		)	(69,306		)
Effect of exchange rates on cash and cash equivalents	7,345			(9,081		)
Increase (decrease) in cash and cash equivalents	$	(1,193	)	$	15,478

Cash and cash equivalents was $168.3 million at June 30, 2011, compared with $169.5 million at December 31, 2010. The balance remained relatively constant as a result of increased working capital and offset by lower debt repayments and a minor business acquisition in 2011.

Operating activities

Cash provided by operating activities during the first half of 2011 was $29.4 million lower, compared with the same period in 2010, primarily due to the payment of accrued bonus and profit sharing expenses during the six months ended June 30, 2011 and an increase in raw materials and finished goods inventory.

Investing activities

Cash used in investing activities during the first half of 2011 was $19.6 million higher, compared with the same period in 2010. The acquisition of property, plant, and equipment was stable for the comparative period while other investing activities, such as a minor business acquisition, provided the increase in investing activities.

Financing activities

During the first half of 2011, we repaid $55.6 million in borrowings, compared with $73.9 million during the same period in 2010. Cash generated from the exercise of stock-based awards was $2.6 million for the first half of 2011, compared with $6.8 million during the same period in 2010.

Effect of exchange rates on cash and cash equivalents

The effect of exchange rates on the cash balances of currencies held in foreign denominations for the first half of 2011 was an increase of $7.3 million, compared with a decrease of $9.1 million for the same period in 2010.

Off-balance sheet arrangements

We have no off-balance sheet financing agreements or guarantees as defined by Item 303 of Regulation S-K at June 30, 2011 and December 31, 2010 that we believe are reasonably likely to have a current or future effect on our financial condition, results of operations, or cash flows.

Liquidity, Sources and Uses of Capital:

Our principal sources of liquidity are cash flows from operations, borrowings, and sales of common stock. Cash flows may fluctuate and are sensitive to many factors including changes in working capital and the timing and magnitude of capital expenditures and payments on debt. Working capital, which represents current assets less current liabilities, was $211.7 million at June 30, 2011, compared with $178.5 million at December 31, 2010.

On January 20, 2011, we increased our multicurrency revolving line of credit to $315 million. This expansion provides us with increased flexibility and liquidity for general corporate purposes. At June 30, 2011, there were no borrowings outstanding under the revolver, and $40.0 million was utilized by outstanding standby letters of credit.

On August 1, 2011, in accordance with the terms of the convertible senior subordinated notes, at the option of the holders we repurchased $184.8 million of the convertible notes at their principal amount plus accrued and unpaid interest. The convertible notes were repurchased using a combination of cash on hand and borrowings under our multicurrency revolving line of credit. As a result of our repurchase of $184.8 million of the convertible notes as detailed above, we expect our tax payments to increase by

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$5 million to $7.5 million in 2011.

Our net deferred tax assets consist primarily of tax credits and net operating loss carryforwards. The utilization of some of the net operating loss carryforwards are limited by Internal Revenue Code Section 382. Based on current projections, excluding the impact of the purchase of $184.8 million of the convertible notes, we expect to pay approximately $1.9 million in U.S. federal and state taxes and $16.5 million in local and foreign taxes in 2011. See Item 1: “Financial Statements Note 10: Income Taxes” for a discussion of our tax provision (benefit) and unrecognized tax benefits.

For a description of the term loans under our credit facility and convertible senior subordinated notes, refer to Item 1: “Financial Statements Note 6: Debt”.

For a description of our letters of credit and performance bonds, and the amounts available for additional borrowings or letters of credit under our lines of credit, including the multicurrency revolving line of credit that is part of our credit facility, refer to Item 1: “Financial Statements Note 11: Commitments and Contingencies”.

For a description of our funded and unfunded non-U.S. defined benefit pension plans and our expected 2011 contributions, refer to Item 1: “Financial Statements Note 8: Defined Benefit Pension Plans”.

For a description of our bonus and profit sharing plans, including the amounts accrued at June 30, 2011 and the expected timing of payment, refer to Bonus and Profit Sharing within Critical Accounting Estimates below.

We expect to grow through a combination of internal new product development, licensing technology from and to others, distribution agreements, partnership arrangements, and acquisitions of technology or other companies. We expect these activities to be funded with existing cash, cash flow from operations, borrowings, and the sale of common stock or other securities. We believe existing sources of liquidity will be sufficient to fund our existing operations and obligations for the next 12 months and into the foreseeable future, but offer no assurances. Our liquidity could be affected by the stability of the energy and water industries, competitive pressures, changes in estimated liabilities for product warranties and/or litigation, future business combinations, capital market fluctuations, international risks, and other factors described under “Risk Factors” within Item 1A of Part I of our Annual Report on Form 10-K for the fiscal year ended December 31, 2010, which was filed with the SEC on February 25, 2011, and Part II: Other Information Item 1A "Risk Factors" included in this Quarterly Report on Form 10-Q, as well as in our “Quantitative and Qualitative Disclosures About Market Risk” within Item 3 of Part 1, included in this Quarterly Report on Form 10‑Q.

Contingencies

Refer to Item 1: “Financial Statements Note 11: Commitments and Contingencies”.

Critical Accounting Estimates

Revenue Recognition

The majority of our revenue arrangements involve multiple deliverables, which require us to determine the fair value of each deliverable and then allocate the total arrangement consideration among the separate deliverables based on the relative fair value percentages. Revenues for each deliverable are then recognized based on the type of deliverable, such as 1) when the products are shipped, 2) services are delivered, 3) percentage-of-completion when implementation services are essential to other deliverables in the arrangements, 4) upon receipt of customer acceptance, or 5) transfer of title. A majority of our revenue is recognized when products are shipped to or received by a customer or when services are provided.

Fair value represents the estimated price charged if an element were sold separately. If the fair value of any undelivered element included in a multiple deliverable arrangement cannot be objectively determined, revenue is deferred until all elements are delivered and services have been performed, or until the fair value can be objectively determined for any remaining undelivered elements. We review our fair values on an annual basis or more frequently if a significant trend is noted.

If implementation services are essential to a software arrangement, revenue is recognized using either the percentage-of-completion methodology if project costs can be reliably estimated or the completed contract methodology if project costs cannot be reliably estimated. The estimation of costs through completion of a project is subject to many variables such as the length of time to complete, changes in wages, subcontractor performance, supplier information, and business volume assumptions. Changes in underlying assumptions/estimates may adversely or positively affect financial performance.

Certain of our revenue arrangements include an extended or noncustomary warranty provision which covers all or a portion of a customer’s replacement or repair costs beyond the standard or customary warranty period. Whether or not the extended warranty

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is separately priced in the arrangement, a portion of the arrangement’s total consideration is allocated to this extended warranty deliverable. This revenue is deferred and recognized over the extended warranty coverage period. Extended or noncustomary warranties do not represent a significant portion of our revenue.

We allocate consideration to each deliverable in an arrangement based on its relative selling price. We determine selling price using vendor specific objective evidence (VSOE), if it exists, otherwise third-party evidence (TPE). If neither VSOE nor TPE of selling price exists for a unit of accounting, we use estimated selling price (ESP).

VSOE is generally limited to the price charged when the same or similar product is sold separately or, if applicable, the stated renewal rate in the agreement. If a product or service is seldom sold separately, it is unlikely that we can determine VSOE for the product or service. We define VSOE as a median price of recent standalone transactions that are priced within a narrow range. TPE is determined based on the prices charged by our competitors for a similar deliverable when sold separately.

If we are unable to establish selling price using VSOE or TPE, we use ESP in the allocation of arrangement consideration. The objective of ESP is to determine the price at which we would transact if the product or service were sold by us on a standalone basis. Our determination of ESP involves a weighting of several factors based on the specific facts and circumstances of the arrangement. Specifically, we consider the cost to produce the deliverable, the anticipated margin on that deliverable, the selling price and profit margin for similar parts, our ongoing pricing strategy and policies (as evident in the price list established and updated by management on a regular basis), the value of any enhancements that have been built into the deliverable, and the characteristics of the varying markets in which the deliverable is sold. We analyze the selling prices used in our allocation of arrangement consideration on an annual basis. Selling prices are analyzed on a more frequent basis if a significant change in our business necessitates a more timely analysis or if we experience significant variances in our selling prices.

Warranty

We offer standard warranties on our hardware products and large application software products. We accrue the estimated cost of warranty claims based on historical and projected product performance trends and costs. Testing of new products in the development stage helps identify and correct potential warranty issues prior to manufacturing. Continuing quality control efforts during manufacturing reduce our exposure to warranty claims. If our quality control efforts fail to detect a fault in one of our products, we could experience an increase in warranty claims. We track warranty claims to identify potential warranty trends. If an unusual trend is noted, an additional warranty accrual may be assessed and recorded when a failure event is probable and the cost can be reasonably estimated. When new products are introduced, our process relies on historical averages until sufficient data are available. As actual experience becomes available, it is used to modify the historical averages to ensure the expected warranty costs are within a range of likely outcomes. Management continually evaluates the sufficiency of the warranty provisions and makes adjustments when necessary. The warranty allowances may fluctuate due to changes in estimates for material, labor, and other costs we may incur to repair or replace projected product failures, and we may incur additional warranty and related expenses in the future with respect to new or established products, which could adversely affect our gross margin. The long-term warranty balance includes estimated warranty claims beyond one year.

Income Taxes

Our annual estimated effective tax rate requires significant judgment and is subject to several factors, including fluctuations in the forecasted mix of earnings in domestic and international jurisdictions, new or revised tax legislation and accounting pronouncements, tax credits, state income taxes, adjustments to valuation allowances, and interest expense and penalties related to uncertain tax positions, among other items. Changes in tax laws and unanticipated tax liabilities could significantly impact our tax rate.

We record valuation allowances to reduce deferred tax assets to the extent we believe it is more likely than not that a portion of such assets will not be realized. In making such determinations, we consider all available positive and negative evidence, including scheduled reversals of deferred tax liabilities, projected future taxable income, tax planning strategies, and our ability to carry back losses to prior years. We are required to make assumptions and judgments about potential outcomes that lie outside management’s control. Our most sensitive and critical factors are the projection, source, and character of future taxable income. Although realization is not assured, management believes it is more likely than not that deferred tax assets will be realized. The amount of deferred tax assets considered realizable, however, could be reduced in the near term if estimates of future taxable income during the carryforward periods are reduced or current tax planning strategies are not implemented.

We are subject to audit in multiple taxing jurisdictions in which we operate. These audits may involve complex issues, which may require an extended period of time to resolve. We believe we have recorded adequate income tax provisions and reserves for uncertain tax positions.

In evaluating uncertain tax positions, we consider the relative risks and merits of positions taken in tax returns filed and to be filed,

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considering statutory, judicial, and regulatory guidance applicable to those positions. We make assumptions and judgments about potential outcomes that lie outside management’s control. To the extent the tax authorities disagree with our conclusions and depending on the final resolution of those disagreements, our actual tax rate may be materially affected in the period of final settlement with the tax authorities.

Inventories

Items are removed from inventory using the first-in, first-out method. Inventories include raw materials, sub-assemblies, and finished goods. Inventory amounts include the cost to manufacture the item, such as the cost of raw materials, labor, and other applied direct and indirect costs. We also review idle facility expense, freight, handling costs, and wasted materials to determine if abnormal amounts should be recognized as current-period charges. We review our inventory for obsolescence and marketability. If the estimated market value, which is based upon assumptions about future demand and market conditions, falls below the original cost, the inventory value is reduced to the market value. If technology rapidly changes or actual market conditions are less favorable than those projected by management, inventory write-downs may be required. Our inventory levels may vary period to period as a result of our factory scheduling and timing of contract fulfillments.

Goodwill and Intangible Assets

Goodwill and intangible assets result from our acquisitions. We use estimates, including estimates of useful lives of intangible assets, the amount and timing of related future cash flows, and fair values of the related operations, in determining the value assigned to goodwill and intangible assets. Our intangible assets have a finite life and are amortized over their estimated useful lives based on estimated discounted cash flows. Intangible assets are tested for impairment when events or changes in circumstances indicate the carrying value may not be recoverable.

We test goodwill for impairment each year as of October 1, or more frequently should a significant impairment indicator occur. Our Itron North America operating segment represents one reporting unit, while our Itron International operating segment has three reporting units. Based on the relative fair values, we will reallocate our goodwill from our existing reporting units to the new reporting units within the Energy and Water operating segments in the first quarter of 2012.

Determining the fair value of a reporting unit is judgmental in nature and involves the use of significant estimates and assumptions. We forecast discounted future cash flows at the reporting unit level using risk-adjusted discount rates and estimated future revenues and operating costs, which take into consideration factors such as existing backlog, expected future orders, supplier contracts, and expectations of competitive and economic environments. We also identify similar publicly traded companies and develop a correlation, referred to as a multiple, to apply to the operating results of the reporting units. These combined fair values are then reconciled to our October1 aggregate market value of our shares of common stock, while considering a reasonable control premium. Our 2010 annual goodwill impairment analysis did not result in an impairment charge as the fair value of each reporting unit exceeded its carrying value. The percentage by which the fair value of each reporting unit exceeded its carrying value and the amount of goodwill allocated to each reporting unit at October 1, 2010 was as follows:

	October 1, 2010
	Goodwill		Fair Value Exceeded Carrying Value
	(in thousands)
Itron North America	$	197,645	229%
Itron International - Electricity	347,299		14%
Itron International - Water	383,194		29%
Itron International - Gas	308,445		55%
	$	1,236,583

Changes in market demand and the economies in which we operate across local markets, the volatility and decline in the worldwide equity markets, and the decline in our market capitalization could negatively impact our annual goodwill impairment test, which could have a significant effect on our current and future results of operations and financial condition.

Derivative Instruments

All derivative instruments, whether designated in hedging relationships or not, are recorded on the Consolidated Balance Sheets at fair value as either assets or liabilities. The components and fair values of our derivative instruments, which are primarily interest rate swaps, are determined using the fair value measurements of significant other observable inputs (also known as “Level 2”), as defined by U.S. generally accepted accounting principles. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments is in a net asset position and the effect of

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our own nonperformance risk when the net fair value of our derivative instruments is in a net liability position. Level 2 inputs consist of quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in non-active markets; and model-derived valuations in which significant inputs are corroborated by observable market data either directly or indirectly through correlation or other means (inputs may include yield curves, volatility, credit risks, and default rates). Derivatives are not used for trading or speculative purposes. Our derivatives are with major international financial institutions, with whom we have master netting agreements; however, our derivative positions are not disclosed on a net basis. There are no credit-risk-related contingent features within our derivative instruments.

Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees, primarily in Germany, France, Italy, Indonesia, and Spain. We recognize a liability for the projected benefit obligation in excess of plan assets or an asset for plan assets in excess of the projected benefit obligation. We also recognize the funded status of our defined benefit pension plans on our Consolidated Balance Sheets and recognize as a component of other comprehensive income (OCI), net of tax, the actuarial gains or losses and prior service costs or credits, if any, that arise during the period but are not recognized as components of net periodic benefit cost.

Several economic assumptions and actuarial data are used in calculating the expense and obligations related to these plans. The assumptions are updated annually at December 31 and include the discount rate, the expected remaining service life, the expected rate of return on plan assets, and rate of future compensation increase. The discount rate is a significant assumption used to value our pension benefit obligation. We determine a discount rate for our plans based on the estimated duration of each plan’s liabilities. For our euro denominated defined benefit pension plans, which represent 94% of our benefit obligation, we use two discount rates, (separated between shorter and longer duration plans), using a hypothetical yield curve developed from euro-denominated AA-rated corporate bond issues, partially weighted for market value, with minimum amounts outstanding of €250 million for bonds with less than 10 years to maturity and €50 million for bonds with 10 or more years to maturity, and excluding 10% of the highest and lowest yielding bonds within each maturity group. The discount rates derived for our shorter duration euro denominated plans (less than 10 years) and longer duration plans (greater than 10 years) were 4.50% and 5.25%, respectively. The weighted average discount rate used to measure the projected benefit obligation for all of the plans at December 31, 2010 was 5.35%. A change of 25 basis points in the discount rate would change our pension benefit obligation by approximately $2.5 million. The financial and actuarial assumptions used at December 31, 2010 may differ materially from actual results due to changing market and economic conditions and other factors. These differences could result in a significant change in the amount of pension expense recorded in future periods. Gains and losses resulting from changes in actuarial assumptions, including the discount rate, are recognized in OCI in the period in which they occur.

Our general funding policy for these qualified pension plans is to contribute amounts at least sufficient to satisfy funding standards of the respective countries for each plan. Refer to Item 1: “Financial Statements, Note 8: Defined Benefit Pension Plans” for our expected contributions for 2011.

Bonus and Profit Sharing

We have various employee bonus and profit sharing plans, which provide award amounts for the achievement of annual financial and nonfinancial targets. If management determines it probable that the targets will be achieved and the amounts can be reasonably estimated, a compensation accrual is recorded based on the proportional achievement of the financial and nonfinancial targets. Although we monitor and accrue expenses quarterly based on our estimated progress toward the achievement of the annual targets, the actual results at the end of the year may require awards that are significantly greater or less than the estimates made in earlier quarters. For the three and six months ended June 30, 2011, we accrued $7.8 million and $15.1 million for such awards, compared with $11.8 million and $24 million in the same periods in 2010. Awards are typically distributed in the first quarter of the following year.

Stock-Based Compensation

We measure and recognize compensation expense for all stock-based awards made to employees and directors, including awards of stock options, stock sold pursuant to our Employee Stock Purchase Plan (ESPP), and the issuance of restricted stock units and unrestricted stock awards, based on estimated fair values. The fair value of stock options is estimated at the date of grant using the Black-Scholes option-pricing model, which includes assumptions for the dividend yield, expected volatility, risk-free interest rate, and expected life. In valuing our stock options, significant judgment is required in determining the expected volatility of our common stock and the expected life that individuals will hold their stock options prior to exercising. Expected volatility is based on the historical and implied volatility of our own common stock. The expected life of stock option grants is derived from the historical actual term of option grants and an estimate of future exercises during the remaining contractual period of the option. While volatility and estimated life are assumptions that do not bear the risk of change subsequent to the grant date of stock options, these assumptions may be difficult to measure as they represent future expectations based on historical experience. Further, our expected volatility and expected life may change in the future, which could substantially change the grant-date fair value of future

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awards of stock options and ultimately the expense we record. For ESPP awards, the fair value is the difference between the market close price of our common stock on the date of purchase and the discounted purchase price. For restricted stock units and unrestricted stock awards, the fair value is the market close price of our common stock on the date of grant. We consider many factors when estimating expected forfeitures, including types of awards, employee class, and historical experience. Actual results and future estimates may differ substantially from our current estimates. We expense stock-based compensation at the date of grant for unrestricted stock awards. For awards with only a service condition, we expense stock-based compensation, adjusted for estimated forfeitures, using the straight-line method over the requisite service period for the entire award. For awards with both performance and service conditions, we expense the stock-based compensation, adjusted for estimated forfeitures, on a straight-line basis over the requisite service period for each separately vesting portion of the award. Excess tax benefits are credited to common stock when the deduction reduces cash taxes payable. When we have tax deductions in excess of the compensation cost, they are classified as financing cash inflows in the Consolidated Statements of Cash Flows.

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Item 3: Quantitative and Qualitative Disclosures about Market Risk

In the normal course of business, we are exposed to interest rate and foreign currency exchange rate risks that could impact our financial position and results of operations. As part of our risk management strategy, we use derivative financial instruments to hedge certain foreign currency and interest rate exposures. Our objective is to offset gains and losses resulting from these exposures with losses and gains on the derivative contracts used to hedge them, therefore reducing the impact of volatility on earnings or protecting the fair values of assets and liabilities. We use derivative contracts only to manage existing underlying exposures. Accordingly, we do not use derivative contracts for trading or speculative purposes.

Interest Rate Risk

The table below provides information about our financial instruments that are sensitive to changes in interest rates and the scheduled minimum repayment of principal and estimated cash interest payments over the remaining lives of our debt at June 30, 2011. Our one-year pay-fixed receive one-month LIBOR interest rate swaps, which converted $100 million of our U.S. dollar term loan from a floating LIBOR interest rate to a fixed interest rate, expired on June 30, 2011. As a result of the expiration of our interest rate swaps, 59% of our borrowings are at fixed rates. We will continue to monitor and assess our interest rate risk and may institute additional interest rate swaps or other derivative instruments to manage such risk in the future.

Weighted average variable rates in the table are based on implied forward rates in the Reuters U.S. dollar yield curve as of June 30, 2011, our estimated leverage ratio, which determines our additional interest rate margin, and a static foreign exchange rate at June 30, 2011.

	2011			2012			2013			2014			Total
	(in thousands)
Fixed Rate Debt
Principal: Convertible notes(1)	$	223,604		$	—		$	—		$	—		$	223,604
Interest rate	2.50		%
Variable Rate Debt
Principal: U.S. dollar term loan	$	3,025		$	6,051		$	6,051		$	185,489		$	200,616
Average interest rate	3.75		%	4.04		%	4.93		%	5.93		%
Principal: Euro term loan	$	2,397		$	4,794		$	4,794		$	139,365		$	151,350
Average interest rate	4.86		%	5.42		%	5.86		%	6.59		%
Interest rate swap on euro term loan(2)
Average interest rate (Pay)	6.59		%	6.59		%
Average interest rate (Receive)	3.61		%	3.90		%
Net/Spread	(2.98		)%	(2.69		)%

⁽¹⁾  Our convertible notes mature in August 2026, however due to the combination of put, call, and conversion options in 2011, the notes are classified as current, (refer to Item 1: “Financial Statements, Note 6: Debt”).

⁽²⁾  The amortizing euro denominated interest rate swap is used to convert $115.6 million (€80.8 million) of our $151.4 million (€105.8 million) euro denominated variable rate term loan from a floating Euro Interbank Offered Rate (EURIBOR), plus the applicable margin, to a fixed interest rate of 6.59%, through December 31, 2012, plus or minus the variance in the applicable margin from 2%. As a result of the amortization schedule, the interest rate swap will terminate before the stated maturity of the term loan (Refer to Item 1: “Financial Statements, Note 7: Derivative Financial Instruments and Hedging Activities”).

Based on a sensitivity analysis as of June 30, 2011, we estimate that if market interest rates average one percentage point higher in 2011 than in the table above, our earnings in 2011 would not be materially impacted due to our interest rate swap in place at June 30, 2011.

We continually monitor and assess our interest rate risk and may institute additional interest rate swaps or other derivative instruments to manage such risk in the future.

Foreign Currency Exchange Rate Risk

We conduct business in a number of countries. As a result, over half of our revenues and operating expenses are denominated in foreign currencies, which expose our account balances to movements in foreign currency exchange rates that could have a material

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effect on our financial results. Our primary foreign currency exposure relates to non-U.S. dollar denominated transactions in our international subsidiary operations, the most significant of which is the euro. Revenues denominated in functional currencies other than the U.S. dollar were 56% and 55% of total revenues for the three and six months ended June 30, 2011, compared with 50% and 52% for the same periods in 2010.

In conjunction with our acquisition of Actaris Metering Systems SA, we entered into a euro denominated term loan in 2007 that exposes us to fluctuations in the euro foreign exchange rate. We have designated this foreign currency denominated term loan as a hedge of our net investment in international operations. The non-functional currency term loan is revalued into U.S. dollar at each balance sheet date, and the changes in value associated with currency fluctuations are recorded as adjustments to long-term debt with offsetting gains and losses recorded in other comprehensive income. We had no hedge ineffectiveness (refer to Item 1: “Financial Statements, Note 7: Derivative Financial Instruments and Hedging Activities”).

We are also exposed to foreign exchange risk when we enter into non-functional currency transactions, both intercompany and third-party. At each period-end, foreign currency monetary assets and liabilities are revalued with the change recorded to other income and expense. We enter into monthly foreign exchange forward contracts (a total of 257 contracts were entered into during the six months ended June 30, 2011), not designated for hedge accounting, with the intent to reduce earnings volatility associated with certain of these balances. The notional amounts of the contracts ranged from $50,000 to $72 million, offsetting our exposures from the euro, British pound, Canadian dollar, Czech koruna, Hungarian forint, and various other currencies.

In future periods, we may use additional derivative contracts to protect against foreign currency exchange rate risks.

Item 4: Controls and Procedures

(a) Evaluation of disclosure controls and procedures. At June 30, 2011, an evaluation was performed under the supervision and with the participation of our Company’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e)) under the Securities Exchange Act of 1934, as amended. Based on that evaluation, the Company’s management, including the Chief Executive Officer and Chief Financial Officer, concluded that as of June 30, 2011, the Company’s disclosure controls and procedures were effective to ensure the information required to be disclosed by an issuer in the reports that it files or submits under the Securities Exchange Act of 1934 is accumulated and communicated to our management, including our principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure. There are inherent limitations to the effectiveness of any system of disclosure controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable assurance of achieving their control objectives.

(b) Changes in internal controls over financial reporting. There have been no changes in internal control over financial reporting during the quarter ended June 30, 2011 that have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting.

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PART II: OTHER INFORMATION

Item 1: Legal Proceedings

There were no material changes, as defined by Item 103 of Regulation S-K, during the second quarter of 2011.

Item 1A: Risk Factors

Material changes to risk factors during the second quarter of 2011 from those previously disclosed in Item 1A of Part I of our Annual Report on Form 10-K for the fiscal year ended December 31, 2010, which was filed with the SEC on February 25, 2011 are as follows:

Our international sales and operations are subject to complex laws relating to foreign corrupt practices and anti-bribery laws among many others, and a violation of, or change in, these laws could adversely affect our operations.

The Foreign Corrupt Practices Act in the United States requires United States companies to comply with an extensive legal framework to prevent bribery of foreign officials. The laws are complex and require that we closely monitor local practices of our overseas offices. The United States Department of Justice has recently heightened enforcement of these laws. In addition, other countries continue to implement similar laws that may have extra-territorial effect. The United Kingdom, where we have operations, has recently implemented the U.K. Bribery Act that could impose significant oversight obligations on us and could have application to our operations outside of the United Kingdom. The costs for complying with these and similar laws may be significant and could reasonably be expected to require significant management time and focus. Any violation of these or similar laws, intentional or unintentional, could have a material adverse effect on our business, financial condition, or results of operations.

We are subject to a variety of litigation that could adversely affect our results of operations and financial condition.

From time to time, we are involved in litigation that arises from our business. Litigation may, for example, relate to product failure or product liability claims, alleged infringements of intellectual property rights of others, contractual disputes, or employment matters. We are also subject to securities litigation.

Litigation can be expensive to defend and can divert the attention of management and other personnel for long periods of time, regardless of the ultimate outcome. We may be required to pay damage awards or settlements or become subject to equitable remedies that could adversely affect our financial condition and results of operations. While we currently maintain insurance coverage, such insurance may not provide adequate coverage against potential claims.

Item 5: Other Information

(a) No information was required to be disclosed in a report on Form 8-K during the second quarter of 2011 that was not reported.

(b) Not applicable.

43

Item 6: Exhibits

Exhibit Number	Description of Exhibits
12.1	Statement re Computation of Ratios
31.1	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase
101.LAB*	XBRL Taxonomy Extension Label Linkbase
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase

* Pursuant to applicable securities laws and regulations, we are deemed to have complied with the reporting obligation relating to the submission of interactive data files in such exhibits and are not subject to liability under any anti-fraud provisions of the federal securities laws as long as we have made a good faith attempt to comply with the submission requirements and promptly amend the interactive data files after becoming aware that the interactive data files fail to comply with the submission requirements. Users of this data are advised that, pursuant to Rule 406T, these interactive data files are deemed not filed and otherwise are not subject to liability.

44

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	ITRON, INC.
August 1, 2011	By:	/s/ STEVEN M. HELMBRECHT
Date		Steven M. Helmbrecht
		Sr. Vice President and Chief Financial Officer

45

EX-12.1

Exhibit 12.1

STATEMENT RE COMPUTATION OF RATIOS

		Six Months Ended June 30, 2011		Year Ended December 31,
				2010		2009			2008		2007			2006 (5)
		(in thousands, except ratios)
Earnings:
	Pre-tax income (loss)	71,043		$	120,744	$	(46,074	)	$	18,582	$	(43,550	)	$	52,235
	Less: income from equity investees	108		614		277			93		358			33
		70,935		120,130		(46,351		)	18,489		(43,908		)	52,202
Fixed charges (1):
	Interest expense, gross (2)	23,534		54,904		70,311			94,177		100,935			17,785
	Interest portion of rent expense	3,445		5,125		5,241			5,163		4,098			2,241
a) Fixed charges		26,979		60,029		75,552			99,340		105,033			20,026
b) Earnings for ratio (3)		$	97,914	$	180,159	$	29,201		$	117,829	$	61,125		$	72,228
Ratios:
	Earnings to fixed charges (b/a)	3.6		3.0		— (4)			1.2		— (4)			3.6
Deficit of earnings to fixed charges		$	—	$	—	$	(46,351	)	$	—	$	(43,908	)	$	—

⁽¹⁾  Fixed charges consist of interest on indebtedness and amortization of debt issuance costs plus that portion of lease rental expense representative of the interest factor.

⁽²⁾  Interest expense, gross, includes amortization of prepaid debt fees and discount.

⁽³⁾  Earnings for ratio consist of income (loss) from continuing operations before income taxes, less income (loss) from equity investees, plus fixed charges.

⁽⁴⁾  Due to Itron's losses for the years ended December 31, 2009 and 2007, the coverage ratio was less than 1:1. Additional earnings of $46,351 and $43,908 would have been needed to achieve a coverage ratio of 1:1 in each of those respective periods.

⁽⁵⁾  On January 1, 2009, we adopted Financial Accounting Standards Board (FASB) Staff Position (FSP) APB 14-1, Accounting for Convertible Debt Instruments That May Be Settled in Cash upon Conversion (Including Partial Cash Settlement) (FSP 14-1) relating to our convertible senior subordinate notes issued in August 2006. (The guidance in FSP 14-1 is now embedded within Accounting Standards Codification^TM (ASC) 470-20). We used the SEC staff's Alternative A transition election for presenting prior financial information, and therefore the financial information as of and for the year ended December 31, 2006 has not been adjusted and is not comparable to the financial information as of and for the years ended December 31, 2010, 2009, 2008, and 2007.

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

I, Malcolm Unsworth, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Itron, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b) Any fraud, whether or not material that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

ITRON, INC.
By:	/s/ MALCOLM UNSWORTH
Malcolm Unsworth President and Chief Executive Officer

Date: August 1, 2011

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

I, Steven M. Helmbrecht, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Itron, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b) Any fraud, whether or not material that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

ITRON, INC.
By:	/s/ STEVEN M. HELMBRECHT
Steven M. Helmbrecht Sr. Vice President and Chief Financial Officer

Date August 1, 2011

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

The certification set forth below is being submitted in connection with the Quarterly Report of Itron, Inc. (the Company) on Form 10-Q for the quarterly period ended June 30, 2011 (the Report) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Malcolm Unsworth, the Chief Executive Officer and Steven M. Helmbrecht, the Chief Financial Officer of the Company, each certifies that to the best of his knowledge:

(1)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ MALCOLM UNSWORTH 

Malcolm Unsworth

President and Chief Executive Officer

August 1, 2011

/s/ STEVEN M. HELMBRECHT 

Steven M. Helmbrecht

Sr. Vice President and Chief Financial Officer

August 1, 2011

XML



Income Taxes Accrued Interest and Penalties, Unrecognized Tax Benefits (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Income Tax Contingency [Line Items]
Accrued interest	$ 4,766	$ 4,403
Accrued penalties	3,574	3,233
Unrecognized tax benefits related to uncertain tax positions	29,162	42,175
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate	$ 29,089	$ 30,832

XML



Certain Balance Sheet Components Accounts Receivable, Net Additional Information (Details) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Long term Retainage Contract Receivables [Line Items]
Unbilled Contracts Receivable	$ 4,500,000	$ 2,100,000
Long-term unbilled receivables and long-term retainage contract receivables	36,500,000	5,900,000
Reclassified from current accounts receivables to other long-term assets [Member]
Long term Retainage Contract Receivables [Line Items]
Unbilled Contracts Receivable	12,000,000
Reclassified from current accounts receivables to other long-term assets [Member] | Long Term Retainage Contract Receivables [Member]
Long term Retainage Contract Receivables [Line Items]
Contract Receivable Retainage, Due after One Year		12,500,000
Long Term Retainage Contract Receivables [Member]
Long term Retainage Contract Receivables [Line Items]
Contract Receivable Retainage, Due One Year or Less	$ 134,000	$ 12,491,000

XML



Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 168,284	$ 169,477
Accounts receivable, net	377,835	371,662
Inventories	253,079	208,157
Deferred tax assets current, net	55,145	55,351
Other current assets	104,496	77,570
Total current assets	958,839	882,217
Property, plant, and equipment, net	301,458	299,242
Deferred tax assets noncurrent, net	12,714	35,050
Other long-term assets	68,967	28,242
Intangible assets, net	292,930	291,670
Goodwill	1,311,771	1,209,376
Total assets	2,946,679	2,745,797
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	268,462	241,949
Other current liabilities	41,630	49,690
Wages and benefits payable	94,855	110,479
Taxes payable	27,976	19,725
Current portion of debt	234,449	228,721
Current portion of warranty	29,999	24,912
Unearned revenue	49,722	28,258
Total current liabilities	747,093	703,734
Long-term debt	341,121	382,220
Long-term warranty	32,839	26,371
Pension plan benefit liability	69,675	61,450
Deferred tax liabilities noncurrent, net	51,539	54,412
Other long-term obligations	86,942	89,315
Total liabilities	1,329,209	1,317,502
Commitments and Contingencies
Shareholders' equity
Preferred stock	0	0
Common stock	1,339,504	1,328,249
Accumulated other comprehensive income (loss), net	81,390	(34,974)
Retained earnings	196,576	135,020
Total shareholders' equity	1,617,470	1,428,295
Total liabilities and shareholders' equity	$ 2,946,679	$ 2,745,797

XML



Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 61,556	$ 50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	64,299	65,071
Stock-based compensation	9,518	9,121
Amortization of prepaid debt fees	2,265	2,762
Amortization of convertible debt discount	5,336	4,957
Deferred taxes, net	6,081	(8,132)
Other adjustments, net	285	3,306
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(12,106)	(52,124)
Inventories	(36,668)	(40,930)
Other current assets	(21,268)	8,375
Other long-term assets	(22,993)	(763)
Accounts payables, other current liabilities, and taxes payable	16,523	42,463
Wages and benefits payable	(21,531)	19,648
Unearned revenue	24,159	2,365
Warranty	9,510	14,355
Other operating, net	2,726	(3,949)
Net cash provided by operating activities	87,692	117,086
Investing activities
Acquisitions of property, plant, and equipment	(28,712)	(27,716)
Business acquisition, net of cash equivalents acquired	(14,635)	0
Other investing, net	513	4,495
Net cash used in investing activities	(42,834)	(23,221)
Financing activities
Payments on debt	(55,630)	(73,881)
Issuance of common stock	2,553	6,812
Other financing, net	(319)	(2,237)
Net cash used in financing activities	(53,396)	(69,306)
Effect of foreign exchange rate changes on cash and cash equivalents	7,345	(9,081)
Increase (decrease) in cash and cash equivalents	(1,193)	15,478
Cash and cash equivalents at beginning of period	169,477	121,893
Cash and cash equivalents at end of period	168,284	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	978	(3,491)
Fair value of contingent and deferred consideration payable for business acquisition	5,108	0
Supplemental disclosure of cash flow information:
Income taxes paid, net	6,842	9,355
Interest, net of amounts capitalized	$ 15,927	$ 21,178

XML



Defined Benefit Pension Plans Schedule of Amounts Recognized in the Consolidated Balance Sheets (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Schedule of Amounts Recognized in the Consolidated Balance Sheets [Line Items]
Plan Assets in Other Long Term Assets	$ (468)	$ (412)
Current Portion of Pension Plan Liability in Wages and Benefits Payable	2,910	2,656
Long-term portion of pension plan liability	69,675	61,450
Net Penison Plan Benefit Liability	$ 72,117	$ 63,694

XML



Certain Balance Sheet Components Consigned Inventory (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Consigned inventory [Line Items]
Consigned Inventory	$ 15.1	$ 17.6

XML



Commitments and Contingencies Commitments and Contingencies Narrative (Details) (USD $) In Millions, except Per Share data	3 Months Ended	9 Months Ended	6 Months Ended
	Jun. 30, 2011	Sep. 30, 2010	Jun. 30, 2011 Itron International [Member]	Jun. 30, 2010 Itron International [Member]
Reduction in YTD Q3 2010 revenue due to restatement		$ 6.1
Impact of Restatement on Earnings Per Share, Diluted		$ 0.11
Recovery Associated With Settlement Of Product Claims			8.6
Warranty Charge			7.7	9.6
Severance Costs	$ 1.9

XML



Commitments and Contingencies Health Benefit Plan Costs (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Plan Costs	$ 5,927	$ 4,316	$ 12,671	$ 9,402

XML



Earnings Per Share and Capital Structure Earnings Per Share and Capital Structure (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share and Capital Structure [Abstract]

Computation of Basic and Diluted Earnings Per Share [Table Text Block]

The following table sets forth the computation of basic and diluted earnings per share (EPS):

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands, except per share data)
Net income available to common shareholders	$	34,436	$	25,311	$	61,556	$	50,561
Weighted average common shares outstanding - Basic	40,670		40,329		40,608		40,261
Dilutive effect of convertible notes	—		283		—		206
Dilutive effect of stock-based awards	407		549		451		544
Weighted average common shares outstanding - Diluted	41,077		41,161		41,059		41,011
Earnings per common share - Basic	$	0.85	$	0.63	$	1.52	$	1.26
Earnings per common share - Diluted	$	0.84	$	0.61	$	1.50	$	1.23

XML



Stock-Based Compensation Employee Stock Purchase Plan (Details) (Employee Stock [Member], USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Employee Stock [Member]
[Line Items]
Shares of stock sold to employees	25,567	[1]	10,736	[1]	42,625	[1]	23,086	[1]
Weighted average fair value per ESPP award	$ 7.22	[2]	$ 9.27	[2]	$ 7.88	[2]	$ 9.95	[2]

[1] Stock sold to employees during each fiscal quarter under the ESPP is associated with the offering period ending on the last day of the previous fiscal quarter.

[2] Relating to awards associated with the offering period during the three and six months ended June 30.

XML



Document and Entity Information	6 Months Ended
	Jun. 30, 2011
Document and Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Entity Registrant Name	ITRON INC /WA/
Entity Central Index Key	0000780571
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	40,696,130
Trading Symbol	ITRI

XML



Earnings Per Share and Capital Structure Preferred Stock (Details) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Class of Stock [Line Items]
Preferred Stock, Shares Authorized	10,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, No Par Value	$ 0	$ 0

XML



Goodwill Schedule of Goodwill Allocated to Reporting Segments (Tables)

6 Months Ended

Jun. 30, 2011

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

The following table reflects goodwill allocated to each reporting segment at June 30, 2011 and 2010:

	Itron North America		Itron International			Total Company
	(in thousands)
Goodwill balance at January 1, 2010	$	197,515	$	1,108,084		$	1,305,599
Effect of change in exchange rates	89		(159,606		)	(159,517		)
Goodwill balance at June 30, 2010	$	197,604	$	948,478		$	1,146,082
Goodwill balance at January 1, 2011	$	198,048	$	1,011,328		$	1,209,376
Goodwill acquired	—		10,251			10,251
Effect of change in exchange rates	205		91,939			92,144
Goodwill balance at June 30, 2011	$	198,253	$	1,113,518		$	1,311,771

XML



Earnings Per Share and Capital Structure Stock-based Awards (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock-based awards excluded from diluted EPS calculation (antidilutive)	672,000	664,000	308,000	385,000

XML



Stock-Based Compensation Stock Option Summary (Details) (Employee Stock Option [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Employee Stock Option [Member]
[Line Items]
Outstanding, beginning balance, Number	1,102		1,179
Outstanding, beginning balance, Weighted Average Exercise Price Per Share	$ 55.21		$ 52.93
Outstanding, beginning balance, Weighted Average Remaining Contractual Term	5.58		5.90
Outstanding, beginning balance, Aggregate Intrinsic Value	$ 10,883	[1]	$ 22,863	[1]
Granted, Number	78		71
Granted, Weighted Average Exercise Price Per Share	$ 56.64		$ 61.97
Granted, Weighted Average Grant Date Fair Value	$ 23.93		$ 27.18
Exercised, Number	(26)		(133)
Exercised, Weighted Average Exercise Price Per Share	$ 19.91		$ 41.51
Exercised, Aggregate Intrinsic Value	989	[1]	4,114	[1]
Expired, Number	(1)
Expired, Weighted Average Exercise Price Per Share	$ 7.00
Outstanding, ending balance, Number	1,153		1,117
Outstanding, ending balance, Weighted Average Exercise Price Per Share	$ 56.13		$ 54.89
Outstanding, ending balance, Weighted Average Remaining Contractual Term	5.48		6.04
Outstanding, ending balance, Aggregate Intrinsic Value	5,903	[1]	15,391	[1]
Vested and Expected to Vest, Number	1,145		1,104
Vested and Expected to Vest, Weighted Average Exercise Price Per Share	$ 56.12		$ 54.73
Vested and Expected to Vest, Weighted Average Remaining Contractual Term	5.45		6.01
Vested and Expected to Vest, Aggregate Intrinsic Value	5,903	[1]	15,379	[1]
Exercisable, Number	1,029		963
Exercisable, Weighted Average Exercise Price Per Share	$ 55.85		$ 52.03
Exercisable, Weighted Average Remaining Contractual Term	5.05		5.61
Exercisable, Aggregate Intrinsic Value	$ 5,903	[1]	$ 15,241	[1]

[1] The aggregate intrinsic value of outstanding stock options represents amounts that would have been received by the optionees had all in- the-money options been exercised on that date. Specifically, it is the amount by which the market value of Itron’s stock exceeded the exercise price of the outstanding in-the-money options before applicable income taxes, based on our closing stock price on the last business day of the period. The aggregate intrinsic value of stock options exercised during the period is calculated based on our stock price at the date of exercise.

XML



Defined Benefit Pension Plans (Text Block)

6 Months Ended

Jun. 30, 2011

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Defined Benefit Pension Plans [Text Block]

Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees, primarily in Germany, France, Italy, Indonesia, and Spain, offering death and disability, retirement, and special termination benefits. The defined benefit obligation is calculated annually by using the projected unit credit method. The measurement date for the pension plans was December 31, 2010.

Our defined benefit pension plans are denominated in the functional currencies of the respective countries in which the plans are sponsored; therefore, the balances increase or decrease, with a corresponding change in OCI, due to changes in foreign currency exchange rates. Amounts recognized on the Consolidated Balance Sheets consist of:

	June 30, 2011			December 31, 2010
	(in thousands)
Plan assets in other long term assets	$	(468	)	$	(412	)
Current portion of pension plan liability in wages and benefits payable	2,910			2,656
Long-term portion of pension plan liability	69,675			61,450
Net pension plan benefit liability	$	72,117		$	63,694

Our asset investment strategy focuses on maintaining a portfolio using primarily insurance funds, which are accounted for as investments and measured at fair value, in order to achieve our long-term investment objectives on a risk adjusted basis. Our general funding policy for these qualified pension plans is to contribute amounts sufficient to satisfy regulatory funding standards of the respective countries for each plan. We contributed $37,000 and $391,000 to the defined benefit pension plans for the three and six months ended June 30, 2011, and $313,000 and $338,000 for the three and six months ended June 30, 2010, respectively. The timing of when contributions are made can vary by plan and from year to year. For 2011, assuming that actual plan asset returns are consistent with our expected rate of return, and that interest rates remain constant, we expect to contribute approximately $500,000 to our defined benefit pension plans. We contributed $519,000 to the defined benefit pension plans for the year ended December 31, 2010.

Net periodic pension benefit costs for our plans include the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Service cost	$	601		475			$	1,218		$	1,000
Interest cost	969			844			1,886			1,750
Expected return on plan assets	(83		)	(71		)	(163		)	(148		)
Amortization of actuarial net loss (gain)	14			(6		)	28			(13		)
Amortization of unrecognized prior service costs	19			—			37			—
Net periodic benefit cost	$	1,520		$	1,242		$	3,006		$	2,589

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Debt Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

The components of our borrowings are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Term loans
USD denominated term loan	$	200,616		$	218,642
EUR denominated term loan	151,350			174,031
Convertible senior subordinated notes	223,604			218,268
Total debt	575,570			610,941
Current portion of long-term debt	(234,449		)	(228,721		)
Long-term debt	$	341,121		$	382,220

Carrying Amounts of Debt and Equity Component [Table Text Block]

The carrying amounts of the debt and equity components are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Face value of convertible notes	$	223,604	$	223,604
Unamortized discount	—		(5,336		)
Net carrying amount of debt component	$	223,604	$	218,268
Carrying amount of equity component	$	31,831	$	31,831

Schedule of Interest Expense On Liability Components [Table Text Block]

The interest expense relating to both the contractual interest coupon and amortization of the discount on the liability component are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Contractual interest coupon	$	1,397	$	1,397	$	2,795	$	2,795
Amortization of the discount on the liability component	2,693		2,501		5,336		4,957
Total interest expense on convertible notes	$	4,090	$	3,898	$	8,131	$	7,752

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Summary of Significant Accounting Policies Consolidated Balance Sheet Restatement (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010 As previously reported [Member]	Jun. 30, 2010 As restated [Member]
Accounts receivable, net	$ 377,835	$ 371,662	$ 366,476	$ 366,240
Deferred tax assets noncurrent, net	12,714	35,050	67,684	68,657
Long-term warranty	32,839	26,371	22,953	23,274
Other long-term obligations	86,942	89,315	67,908	71,478
Accumulated other comprehensive loss, net	(81,390)	34,974	(116,019)	(116,047)
Retained earnings	$ 196,576	$ 135,020	$ 83,937	$ 80,811

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Summary of Significant Accounting Policies Property, Plant, and Equipment Policy Additional Information (Details) (USD $)	6 Months Ended
	Jun. 30, 2011 Building and Building Improvements [Member]	Jun. 30, 2011 Machinery and equipment, computers and purchased software, and furniture [Member]	Jun. 30, 2011 Assets Held-for-sale [Member]	Dec. 31, 2010 Assets Held-for-sale [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Average	30
Property, Plant and Equipment, Useful Life, Minimum		3
Property, Plant and Equipment, Useful Life, Maximum		10
Assets Held-for-sale, at Carrying Value			$ 0	$ 0

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Segment Information Revenues By Region (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues from External Customers [Line Items]
Revenues	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
United States and Canada (Member)
Revenues from External Customers [Line Items]
Revenues	285,931	299,502	560,393	538,502
Europe (Member)
Revenues from External Customers [Line Items]
Revenues	228,354	192,864	431,185	388,348
Other Countries [Member]
Revenues from External Customers [Line Items]
Revenues	$ 98,116	$ 74,973	$ 184,514	$ 138,112

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Intangible Assets Schedule of Intangilbe Assets (Tables)

6 Months Ended

Jun. 30, 2011

Finite-Lived Intangible Assets [Abstract]

Schedule of Intangible Assets by Major Class [Table Text Block]

The gross carrying amount and accumulated amortization of our intangible assets, other than goodwill, are as follows:

	June 30, 2011							December 31, 2010
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	406,570	$	(302,669	)	$	103,901	$	378,705	$	(274,198	)	$	104,507
Customer contracts and relationships	307,223		(131,606		)	175,617		282,997		(110,539		)	172,458
Trademarks and trade names	77,078		(64,196		)	12,882		73,194		(59,235		)	13,959
Other	11,177		(10,647		)	530		24,256		(23,510		)	746
Total intangible assets	$	802,048	$	(509,118	)	$	292,930	$	759,152	$	(467,482	)	$	291,670

Summary of Intangible Asset Account Activity [Table Text Block]

A summary of the intangible asset account activity is as follows:

	Six Months Ended June 30,
	2011			2010
	(in thousands)
Beginning balance, intangible assets, gross	$	759,152		$	806,256
Intangible assets acquired	10,297			—
Assets no longer in use written-off	(8,369		)	—
Effect of change in exchange rates	40,968			(78,155		)
Ending balance, intangible assets, gross	$	802,048		$	728,101

Intangible assets that were written-off had been fully amortized and were no longer in use.

Schedule of Intangible Assets, Future Amortization Expense [Table Text Block]

Estimated future annual amortization expense is as follows:

Years ending December 31,	Estimated Annual Amortization
	(in thousands)
2011 (amount remaining at June 30, 2011)	$	32,306
2012	50,234
2013	41,442
2014	34,082
2015	27,997
Beyond 2015	106,869
Total intangible assets, net	$	292,930

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Fair Values of Financial Instruments (Text Block)

6 Months Ended

Jun. 30, 2011

Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]

Fair Values of Financial Instruments [Text Block]

Fair Values of Financial Instruments

The fair values at June 30, 2011 and December 31, 2010 do not reflect subsequent changes in the economy, interest rates, tax rates, and other variables that may affect the determination of fair value.

	June 30, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets			(in thousands)
Cash and cash equivalents	$	168,284	$	168,284	$	169,477	$	169,477
Foreign exchange forwards	171		171		63		63
Liabilities
Term loans
USD denominated term loan	$	200,616	$	201,619	$	218,642	$	219,462
EUR denominated term loan	151,350		152,107		174,031		174,684
Convertible senior subordinated notes	223,604		224,163		218,268		236,461
Interest rate swaps	2,577		2,577		6,820		6,820
Foreign exchange forwards	200		200		457		457

The following methods and assumptions were used in estimating fair values:

Cash and cash equivalents: Due to the liquid nature of these instruments, the carrying value approximates fair value.

Term loans: The term loans are not registered with the SEC but are generally transferable through banks that hold the debt and make a market. The fair value is based on quoted prices from recent trades of the term loans.

Convertible senior subordinated notes: The convertible notes are registered with the SEC and are generally transferable. The fair value is based on quoted prices from recent broker trades of the convertible notes. At June 30, 2011, the discount on the liability component was fully amortized. See Note 6 for further discussion.

Derivatives: See Note 7 for a description of our methods and assumptions in determining the fair value of our derivatives, which were determined using fair value measurements of significant other observable inputs (Level 2).

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Intangible Assets (Text Block)

6 Months Ended

Jun. 30, 2011

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets [Text Block]

Intangible Assets

The gross carrying amount and accumulated amortization of our intangible assets, other than goodwill, are as follows:

	June 30, 2011							December 31, 2010
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	406,570	$	(302,669	)	$	103,901	$	378,705	$	(274,198	)	$	104,507
Customer contracts and relationships	307,223		(131,606		)	175,617		282,997		(110,539		)	172,458
Trademarks and trade names	77,078		(64,196		)	12,882		73,194		(59,235		)	13,959
Other	11,177		(10,647		)	530		24,256		(23,510		)	746
Total intangible assets	$	802,048	$	(509,118	)	$	292,930	$	759,152	$	(467,482	)	$	291,670

A summary of the intangible asset account activity is as follows:

	Six Months Ended June 30,
	2011			2010
	(in thousands)
Beginning balance, intangible assets, gross	$	759,152		$	806,256
Intangible assets acquired	10,297			—
Assets no longer in use written-off	(8,369		)	—
Effect of change in exchange rates	40,968			(78,155		)
Ending balance, intangible assets, gross	$	802,048		$	728,101

Intangible assets that were written-off had been fully amortized and were no longer in use. Intangible assets of our international subsidiaries are recorded in their respective functional currency; therefore, the carrying amounts of intangible assets increase or decrease, with a corresponding change in accumulated OCI, due to changes in foreign currency exchange rates.

Estimated future annual amortization expense is as follows:

Years ending December 31,	Estimated Annual Amortization
	(in thousands)
2011 (amount remaining at June 30, 2011)	$	32,306
2012	50,234
2013	41,442
2014	34,082
2015	27,997
Beyond 2015	106,869
Total intangible assets, net	$	292,930

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Segment Information Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Information [Abstract]

Revenues Gross Profit And Operating Income By Segment [Table Text Block]

Revenues, gross profit, and operating income associated with our segments were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Revenues
Itron North America	$	288,224		$	301,143		$	565,206		$	542,702
Itron International	324,177			266,196			610,886			522,260
Total Company	$	612,401		$	567,339		$	1,176,092		$	1,064,962
Gross profit
Itron North America	$	96,958		$	100,972		$	191,680		$	179,131
Itron International	94,125			73,084			183,513			151,989
Total Company	$	191,083		$	174,056		$	375,193		$	331,120
Operating income (loss)
Itron North America	$	42,739		$	55,384		$	86,532		$	87,420
Itron International	16,483			5,017			32,711			15,454
Corporate unallocated	(11,137		)	(10,392		)	(21,069		)	(21,246		)
Total Company	48,085			50,009			98,174			81,628
Total other income (expense)	(13,729		)	(14,279		)	(27,131		)	(29,627		)
Income before income taxes	$	34,356		$	35,730		$	71,043		$	52,001

Revenues By Region [Table Text Block]

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
United States and Canada	$	285,931	$	299,502	$	560,393	$	538,502
Europe	228,354		192,864		431,185		388,348
Other	98,116		74,973		184,514		138,112
Total revenues	$	612,401	$	567,339	$	1,176,092	$	1,064,962

Depreciation And Amortization Expense Associated With Segments [Table Text Block]

Depreciation and amortization expense associated with our segments was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	11,176	$	11,441	$	22,347	$	22,728
Itron International	21,591		20,352		41,950		42,342
Corporate Unallocated	1		—		2		1
Total Company	$	32,768	$	31,793	$	64,299	$	65,071

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Income Taxes (Text Block)

6 Months Ended

Jun. 30, 2011

Income Tax Disclosure [Abstract]

Income Taxes [Text Block]

Income Taxes

Our tax provisions (benefits) as a percentage of income (loss) before tax typically differs from the federal statutory rate of 35%, and may vary from period to period, due to fluctuations in the forecasted mix of earnings in domestic and international jurisdictions, new or revised tax legislation and accounting pronouncements, tax credits, state income taxes, adjustments to valuation allowances, and interest expense and penalties related to uncertain tax positions, among other items.

For the three and six months ended June 30, 2011, we had tax provision (benefit) of (0.2)% and 13%, based on a percentage of income before tax, as compared with tax provisions of 29% and 3% for the same periods in 2010.

Our tax provision in 2011 is lower than the federal statutory rate due to projected earnings in tax jurisdictions with rates lower than 35%, the benefit of certain interest expense deductions, a benefit related to the settlement of a foreign tax litigation, and an election under U.S. Internal Revenue Code Sections 338 with respect to a foreign acquisition in 2007.

Our tax provisions in 2010 were the result of certain interest expense deductions and the election under U.S. Internal Revenue Code Section 338 with respect to a foreign acquisition in 2007, as well as the estimated mix of earnings in different tax jurisdictions. The 2010 tax provisions also reflect the receipt of a clean energy manufacturing tax credit awarded as part of the American Recovery and Reinvestment Act and a benefit related to the reduction of tax reserves for certain foreign subsidiaries.

We classify interest expense and penalties related to unrecognized tax liabilities and interest income on tax overpayments as components of income tax expense. The net interest and penalties expense (benefit) recognized is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2011		2010			2011		2010
	(in thousands)
Net interest and penalties expense (benefit)	$	113	$	(502	)	$	108	$	296

Accrued interest and penalties recorded are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Accrued interest	$	4,766	$	4,403
Accrued penalties	3,574		3,233

Unrecognized tax benefits related to uncertain tax positions and the amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Unrecognized tax benefits related to uncertain tax positions	$	29,162	$	42,175
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate	29,089		30,832

At June 30, 2011, we are not able to reasonably estimate the timing of future cash flows relating to our uncertain tax positions.

We believe it is reasonably possible that our unrecognized tax benefits may decrease by approximately $4.4 million within the next twelve months due to the expiration of statute of limitations.

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Consolidating Financial Information (Text Block)

6 Months Ended

Jun. 30, 2011

Consolidating Financial Information

Consolidating Financial Information [Text Block]

Consolidating Financial Information

Our convertible notes, issued by Itron, Inc., are guaranteed by one U.S. subsidiary, which is 100% owned. The guaranty by our U.S. subsidiary is joint and several, full, complete, and unconditional. There are currently no restrictions on the ability of the subsidiary guarantor to transfer funds to the parent company.

Consolidating Statement of Operations

Three Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	289,090		$	—	$	345,332		$	(22,021	)	$	612,401
Cost of revenues	194,728			—		248,611			(22,021		)	421,318
Gross profit	94,362			—		96,721			—			191,083
Operating expenses
Sales and marketing	18,195			—		30,650			—			48,845
Product development	26,673			—		14,258			—			40,931
General and administrative	13,529			—		21,589			—			35,118
Amortization of intangible assets	3,512			—		12,685			—			16,197
Restructuring	501			—		1,406			—			1,907
Total operating expenses	62,410			—		80,588			—			142,998
Operating income	31,952			—		16,133			—			48,085
Other income (expense)
Interest income	57			842		134			(865		)	168
Interest expense	(12,178		)	—		(107		)	865			(11,420		)
Other income (expense), net	(1,436		)	—		(1,041		)	—			(2,477		)
Total other income (expense)	(13,557		)	842		(1,014		)	—			(13,729		)
Income before income taxes	18,395			842		15,119			—			34,356
Income tax (provision) benefit	(2,823		)	—		2,903			—			80
Equity in earnings of guarantor and non-guarantor subsidiaries, net	18,864			—		—			(18,864		)	—
Net income	$	34,436		$	842	$	18,022		$	(18,864	)	$	34,436

Consolidating Statement of Operations

Three Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	298,380		$	—	$	283,082		$	(14,123	)	$	567,339
Cost of revenues	199,882			—		207,524			(14,123		)	393,283
Gross profit	98,498			—		75,558			—			174,056
Operating expenses
Sales and marketing	15,706			—		25,268			—			40,974
Product development	21,051			—		11,971			—			33,022
General and administrative	13,467			—		19,818			—			33,285
Amortization of intangible assets	4,086			—		12,680			—			16,766
Total operating expenses	54,310			—		69,737			—			124,047
Operating income	44,188			—		5,821			—			50,009
Other income (expense)
Interest income	116			776		87			(868		)	111
Interest expense	(14,621		)	—		(212		)	868			(13,965		)
Other income (expense), net	4,002			—		(4,427		)	—			(425		)
Total other income (expense)	(10,503		)	776		(4,552		)	—			(14,279		)
Income before income taxes	33,685			776		1,269			—			35,730
Income tax benefit (provision)	(12,539		)	—		2,120			—			(10,419		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	4,165			—		—			(4,165		)	—
Net income	$	25,311		$	776	$	3,389		$	(4,165	)	$	25,311

Consolidating Statement of Operations

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	562,653		$	—	$	653,623		$	(40,184	)	$	1,176,092
Cost of revenues	377,003			—		464,080			(40,184		)	800,899
Gross profit	185,650			—		189,543			—			375,193
Operating expenses
Sales and marketing	35,210			—		58,283			—			93,493
Product development	51,864			—		29,512			—			81,376
General and administrative	26,474			—		41,975			—			68,449
Amortization of intangible assets	7,024			—		24,770			—			31,794
Restructuring	501			—		1,406			—			1,907
Total operating expenses	121,073			—		155,946			—			277,019
Operating income	64,577			—		33,597			—			98,174
Other income (expense)
Interest income	14,902			1,668		411			(16,505		)	476
Interest expense	(24,997		)	—		(15,042		)	16,505			(23,534		)
Other income (expense), net	(2,603		)	—		(1,470		)	—			(4,073		)
Total other income (expense)	(12,698		)	1,668		(16,101		)	—			(27,131		)
Income before income taxes	51,879			1,668		17,496			—			71,043
Income tax (provision) benefit	(14,190		)	—		4,703			—			(9,487		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	23,867			—		—			(23,867		)	—
Net income	$	61,556		$	1,668	$	22,199		$	(23,867	)	$	61,556

Consolidating Statement of Operations

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	539,253		$	—	$	551,911		$	(26,202	)	$	1,064,962
Cost of revenues	364,772			—		395,272			(26,202		)	733,842
Gross profit	174,481			—		156,639			—			331,120
Operating expenses
Sales and marketing	31,273			—		51,238			—			82,511
Product development	42,229			—		23,833			—			66,062
General and administrative	27,250			—		39,092			—			66,342
Amortization of intangible assets	8,172			—		26,405			—			34,577
Total operating expenses	108,924			—		140,568			—			249,492
Operating income	65,557			—		16,071			—			81,628
Other income (expense)
Interest income	475			1,534		226			(1,957		)	278
Interest expense	(30,201		)	—		(644		)	1,957			(28,888		)
Other income (expense), net	2,973			—		(3,990		)	—			(1,017		)
Total other income (expense)	(26,753		)	1,534		(4,408		)	—			(29,627		)
Income before income taxes	38,804			1,534		11,663			—			52,001
Income tax (provision) benefit	(2,792		)	—		1,352			—			(1,440		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	14,549			—		—			(14,549		)	—
Net income	$	50,561		$	1,534	$	13,015		$	(14,549	)	$	50,561

Consolidating Balance Sheet

June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	79,037		$	—		$	89,247	$	—		$	168,284
Accounts receivable, net	117,090			—			260,745		—			377,835
Intercompany accounts receivable	11,599			—			8,375		(19,974		)	—
Inventories	111,702			—			142,341		(964		)	253,079
Deferred tax assets current, net	37,450			—			17,695		—			55,145
Other current assets	25,101			—			81,079		(1,684		)	104,496
Intercompany other	2,088			—			—		(2,088		)	—
Total current assets	384,067			—			599,482		(24,710		)	958,839
Property, plant, and equipment, net	116,725			—			184,733		—			301,458
Deferred tax assets noncurrent, net	(19,705		)	—			32,419		—			12,714
Other long-term assets	48,220			—			20,747		—			68,967
Intangible assets, net	34,804			—			258,126		—			292,930
Goodwill	184,749			—			1,127,022		—			1,311,771
Investment in subsidiaries	320,053			—			—		(320,053		)	—
Intercompany notes receivable	1,397,260			103,085			—		(1,500,345		)	—
Total assets	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	82,347		$	—		$	186,115	$	—		$	268,462
Other current liabilities	6,648			—			34,982		—			41,630
Intercompany accounts payable	8,375			—			11,599		(19,974		)	—
Wages and benefits payable	35,475			—			59,380		—			94,855
Taxes payable	4,537			—			23,439		—			27,976
Current portion of debt	234,449			—			—		—			234,449
Current portion of warranty	10,737			—			19,262		—			29,999
Unearned revenue	27,779			—			21,943		—			49,722
Short-term intercompany advances	—			—			2,088		(2,088		)	—
Total current liabilities	410,347			—			358,808		(22,062		)	747,093
Long-term debt	341,121			—			—		—			341,121
Long-term warranty	11,767			—			21,072		—			32,839
Pension plan benefits	—			—			69,675		—			69,675
Intercompany notes payable	103,085			—			1,397,260		(1,500,345		)	—
Deferred tax liabilities noncurrent, net	(44,218		)	—			95,757		—			51,539
Other long-term obligations	26,601			—			60,341		—			86,942
Total liabilities	848,703			—			2,002,913		(1,522,407		)	1,329,209
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,339,504			97,377			101,192		(198,569		)	1,339,504
Accumulated other comprehensive income (loss), net	81,390			(7,787		)	50,861		(43,074		)	81,390
Retained earnings	196,576			13,495			67,563		(81,058		)	196,576
Total shareholders’ equity	1,617,470			103,085			219,616		(322,701		)	1,617,470
Total liabilities and shareholders’ equity	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679

Consolidating Balance Sheet

December 31, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	19,146		$	—		$	150,331	$	—		$	169,477
Accounts receivable, net	163,758			—			207,904		—			371,662
Intercompany accounts receivable	10,106			—			3,675		(13,781		)	—
Inventories	99,846			—			109,208		(897		)	208,157
Deferred tax assets current, net	40,344			—			15,007		—			55,351
Other current assets	23,962			—			53,608		—			77,570
Intercompany other	1,997			—			—		(1,997		)	—
Total current assets	359,159			—			539,733		(16,675		)	882,217
Property, plant, and equipment, net	115,499			—			183,743		—			299,242
Deferred tax assets noncurrent, net	7,684			—			27,366		—			35,050
Other long-term assets	14,134			—			14,108		—			28,242
Intangible assets, net	41,828			—			249,842		—			291,670
Goodwill	184,750			—			1,024,626		—			1,209,376
Investment in subsidiaries	324,104			—			—		(324,104		)	—
Intercompany notes receivable	1,283,139			101,418			—		(1,384,557		)	—
Total assets	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	75,027		$	—		$	166,922	$	—		$	241,949
Other current liabilities	12,223			—			37,467		—			49,690
Intercompany accounts payable	3,675			—			10,106		(13,781		)	—
Wages and benefits payable	54,804			—			55,675		—			110,479
Taxes payable	3,368			—			16,357		—			19,725
Current portion of debt	228,721			—			—		—			228,721
Current portion of warranty	8,813			—			16,099		—			24,912
Unearned revenue	21,926			—			6,332		—			28,258
Short-term intercompany advances	—			—			1,997		(1,997		)	—
Total current liabilities	408,557			—			310,955		(15,778		)	703,734
Long-term debt	382,220			—			—		—			382,220
Long-term warranty	13,721			—			12,650		—			26,371
Pension plan benefit liability	—			—			61,450		—			61,450
Intercompany notes payable	101,418			—			1,283,139		(1,384,557		)	—
Deferred tax liabilities noncurrent, net	(38,400		)	—			92,812		—			54,412
Other long-term obligations	34,486			—			54,829		—			89,315
Total liabilities	902,002			—			1,815,835		(1,400,335		)	1,317,502
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,328,249			97,377			136,441		(233,818		)	1,328,249
Accumulated other comprehensive income (loss), net	(34,974		)	(7,786		)	41,778		(33,992		)	(34,974		)
Retained earnings	135,020			11,827			45,364		(57,191		)	135,020
Total shareholders’ equity	1,428,295			101,418			223,583		(325,001		)	1,428,295
Total liabilities and shareholders’ equity	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797

Consolidating Statement of Cash Flows

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	61,556		$	1,668		$	22,199		$	(23,867	)	$	61,556
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	22,314			—			41,985			—			64,299
Stock-based compensation	9,518			—			—			—			9,518
Amortization of prepaid debt fees	2,265			—			—			—			2,265
Amortization of convertible debt discount	5,336			—			—			—			5,336
Deferred taxes, net	17,948			—			(11,867		)	—			6,081
Equity in losses of guarantor and non-guarantor subsidiaries, net	(23,867		)	—			—			23,867			—
Other adjustments, net	(209		)	—			494			—			285
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	22,209			—			(34,315		)	—			(12,106		)
Inventories	(11,789		)	—			(24,879		)	—			(36,668		)
Other current assets	750			—			(22,018		)	—			(21,268		)
Other long-term assets	(11,410		)	—			(11,583		)	—			(22,993		)
Accounts payables, other current liabilities, and taxes payable	4,585			—			11,938			—			16,523
Wages and benefits payable	(19,329		)	—			(2,202		)	—			(21,531		)
Unearned revenue	9,875			—			14,284			—			24,159
Warranty	(30		)	—			9,540			—			9,510
Intercompany transactions, net	3,207			—			(3,207		)	—			—
Other operating, net	(1,159		)	—			3,885			—			2,726
Net cash provided by (used in) operating activities	91,770			1,668			(5,746		)	—			87,692
Investing activities
Acquisitions of property, plant, and equipment	(14,579		)	—			(14,133		)	—			(28,712		)
Business acquisition, net of cash equivalents acquired	—			—			(14,635		)	—			(14,635		)
Current intercompany notes, net	106			(1,668		)	—			1,562			—
Other investing, net	34,541			—			(34,028		)	—			513
Net cash provided by (used in) investing activities	20,068			(1,668		)	(62,796		)	1,562			(42,834		)
Financing activities
Payments on debt	(55,630		)	—			—			—			(55,630		)
Issuance of common stock	2,553			—			—			—			2,553
Current intercompany notes, net	1,668			—			(106		)	(1,562		)	—
Other financing, net	(538		)	—			219			—			(319		)
Net cash provided by (used in) financing activities	(51,947		)	—			113			(1,562		)	(53,396		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			7,345			—			7,345
Increase (decrease) in cash and cash equivalents	59,891			—			(61,084		)	—			(1,193		)
Cash and cash equivalents at beginning of period	19,146			—			150,331			—			169,477
Cash and cash equivalents at end of period	$	79,037		$	—		$	89,247		$	—		$	168,284
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	2,114		$	—		$	(1,136	)	$	—		$	978
Fair value of contingent and deferred consideration payable for business acquisition	—			—			5,108			—			5,108
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	(1,028	)	$	—		$	7,870		$	—		$	6,842
Interest, net of amounts capitalized	15,719			—			208			—			15,927

Consolidating Statement of Cash Flows

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	50,561		$	1,534		$	13,015		$	(14,549	)	$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,655			—			42,416			—			65,071
Stock-based compensation	9,121			—			—			—			9,121
Amortization of prepaid debt fees	2,762			—			—			—			2,762
Amortization of convertible debt discount	4,957			—			—			—			4,957
Deferred income taxes, net	2,639			—			(10,771		)	—			(8,132		)
Equity in losses of guarantor and non-guarantor subsidiaries, net	(14,549		)	—			—			14,549			—
Other adjustments, net	1,972			—			1,334			—			3,306
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(33,080		)	—			(19,044		)	—			(52,124		)
Inventories	(33,896		)	—			(7,034		)	—			(40,930		)
Other current assets	6,504			—			1,871			—			8,375
Other long-term assets	1,215			—			(1,978		)	—			(763		)
Accounts payables, other current liabilities, and taxes payable	22,873			—			19,590			—			42,463
Wages and benefits payable	16,928			—			2,720			—			19,648
Unearned revenue	(330		)	—			2,695			—			2,365
Warranty	3,692			—			10,663			—			14,355
Intercompany transactions, net	2,784			—			(2,784		)	—			—
Other operating, net	68			—			(4,017		)	—			(3,949		)
Net cash provided by operating activities	66,876			1,534			48,676			—			117,086
Investing activities
Acquisitions of property, plant, and equipment	(15,490		)	—			(12,226		)	—			(27,716		)
Current intercompany notes, net	27,259			(1,534		)	5,000			(30,725		)	—
Other investing, net	2,572			—			1,923			—			4,495
Net cash provided by (used in) investing activities	14,341			(1,534		)	(5,303		)	(30,725		)	(23,221		)
Financing activities
Payments on debt	(73,881		)	—			—			—			(73,881		)
Issuance of common stock	6,812			—			—			—			6,812
Current intercompany notes, net	(3,466		)	—			(27,259		)	30,725			—
Other financing, net	(1,340		)	—			(897		)	—			(2,237		)
Net cash used in financing activities	(71,875		)	—			(28,156		)	30,725			(69,306		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			(9,081		)	—			(9,081		)
Increase in cash and cash equivalents	9,342			—			6,136			—			15,478
Cash and cash equivalents at beginning of period	16,385			—			105,508			—			121,893
Cash and cash equivalents at end of period	$	25,727		$	—		$	111,644		$	—		$	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	(245	)	$	—		$	(3,246	)	$	—		$	(3,491	)
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	9,191		$	—		$	164		$	—		$	9,355
Interest, net of amounts capitalized	20,958			—			220			—			21,178

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Defined Benefit Pension Plans Defined Benefit Pension Plan Additional Information (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 37,000	$ 313,000	$ 391,000	$ 338,000	$ 519,000
Estimated Future Employer Contributions in Current Fiscal Year	$ 500,000		$ 500,000

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Commitments and Contingencies (Text Block)

6 Months Ended

Jun. 30, 2011

Commitments and Contingencies [Abstract]

Commitments and Contingencies [Text Block]

Commitments and Contingencies

Guarantees and Indemnifications

We are often required to obtain standby letters of credit (LOC’s) or bonds in support of our obligations for customer contracts. These standby LOC’s or bonds typically provide a guarantee to the customer for future performance, which usually covers the installation phase of a contract and may on occasion cover the operations and maintenance phase of outsourcing contracts.

Our available lines of credit, outstanding standby LOC’s, and bonds are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Credit facility(1)
Multicurrency revolving line of credit	$	315,000		$	240,000
Standby LOC’s issued and outstanding	(39,970		)	(43,540		)
Net available for additional borrowings and LOC’s	$	275,030		$	196,460
Unsecured multicurrency revolving lines of credit with various financial institutions
Total lines of credit	$	74,685		$	49,122
Standby LOC’s issued and outstanding	(32,329		)	(21,784		)
Short-term borrowings(2)	(264		)	(66		)
Net available for additional borrowings and LOC’s	$	42,092		$	27,272
Unsecured surety bonds in force	$	133,352		$	120,109

⁽¹⁾  See Note 6 for details regarding our credit facility, which is secured.

⁽²⁾  Short-term borrowings are included in “Other current liabilities” on the Consolidated Balance Sheets.

In the event any such standby LOC or bond is called, we would be obligated to reimburse the issuer of the standby LOC or bond; however, we do not believe that any outstanding LOC or bond will be called.

We generally provide an indemnification related to the infringement of any patent, copyright, trademark, or other intellectual property right on software or equipment within our sales contracts, which indemnifies the customer from and pays the resulting costs, damages, and attorney’s fees awarded against a customer with respect to such a claim provided that (a) the customer promptly notifies us in writing of the claim and (b) we have the sole control of the defense and all related settlement negotiations. We also provide an indemnification to our customers for third party claims resulting from damages caused by the negligence or willful misconduct of our employees/agents in connection with the performance of certain contracts. The terms of our indemnifications generally do not limit the maximum potential payments. It is not possible to predict the maximum potential amount of future payments under these or similar agreements.

Legal Matters

We are subject to various legal proceedings and claims of which the outcomes are subject to significant uncertainty. Our policy is to assess the likelihood of any adverse judgments or outcomes related to legal matters, as well as ranges of probable losses. A determination of the amount of the liability required, if any, for these contingencies is made after an analysis of each known issue. A liability is recorded and charged to operating expense when we determine that a loss is probable and the amount can be reasonably estimated. Additionally, we disclose contingencies for which a material loss is reasonably possible, but not probable. Liabilities recorded for legal contingencies at June 30, 2011 were not material to our financial condition or results of operations.

In October, 2010, Transdata Incorporated (Transdata) filed a complaint in the U.S. District Court for the Eastern District of Texas against CenterPoint Energy, one of our customers, and several other utilities alleging infringement of three patents owned by Transdata related to the use of an antenna in a meter. Pursuant to our contract with CenterPoint, we agreed to indemnify and defend CenterPoint in this lawsuit. The complaint seeks unspecified damages as well as injunctive relief. CenterPoint has denied all of the allegations. We believe these claims are without merit and we intend to vigorously defend our interests. We do not believe this matter will have a material adverse effect on our business or financial condition, although an unfavorable outcome could have a material adverse effect on our results of operations for the period in which such a loss is recognized.

On February 23, 2011, a class action lawsuit was filed in U.S. Federal Court for the Eastern District of Washington alleging a violation of federal securities laws relating to a restatement of our financial results for the quarters ended March 31, June 30, and September 30, 2010. These revisions were made primarily to defer revenue that had been incorrectly recognized on one contract due to a misinterpretation of an extended warranty obligation. The effect was to reduce revenue and earnings in each of the first three quarters of the year. For the first nine months of 2010, total revenue was reduced by $6.1 million and diluted EPS was reduced by $0.11. We believe the facts and legal claims alleged are without merit and we intend to vigorously defend our interests.

In March 2011, a lawsuit was filed in the Superior Court of the State of Washington, in and for Spokane County against certain officers and directors seeking unspecified damages on behalf of Itron, Inc. The complaint alleges that the defendants breached their fiduciary obligations to Itron with respect to the restatement of Itron's financial results for the quarters ended March 31, June 30, and September 30, 2010. This lawsuit is a shareholder derivative action that purports to assert claims on behalf of Itron, Inc.

In June 2011, a lawsuit was filed in the United States District Court for the Eastern District of Texas alleging infringement of three patents owned by EON Corp. IP Holdings, LLC (EON), related to two-way communication networks, network components, and related software platforms. The complaint seeks unspecified damages as well as injunctive relief. Although the complaint was filed, it has not been served and Itron has received a letter from EON requesting settlement discussions. We believe these claims are without merit and we intend to vigorously defend our interests. We do not believe this matter will have a material adverse effect on our business or financial condition, although an unfavorable outcome could have a material adverse effect on our results of operations for the period in which the claim is resolved.

Warranty

A summary of the warranty accrual account activity is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	59,163		$	33,353		$	51,283		$	33,873
New product warranties	2,196			3,221			4,079			6,017
Other changes/adjustments to warranties	5,631			14,366			14,643			15,596
Reclassification from other current liabilities	—			2,687			—			2,878
Claims activity	(4,768		)	(3,317		)	(9,215		)	(7,063		)
Effect of change in exchange rates	616			(786		)	2,048			(1,777		)
Ending balance, June 30	62,838			49,524			62,838			49,524
Less: current portion of warranty	29,999			26,250			29,999			26,250
Long-term warranty	$	32,839		$	23,274		$	32,839		$	23,274

Total warranty expense is classified within cost of revenues and consists of new product warranties issued and other changes and adjustments to warranties.

Warranty expense associated with our segments for the three and six months ended June 30 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	3,625	$	6,068	$	6,514	$	8,739
Itron International	4,202		11,519		3,650		12,874
Total warranty expense	$	7,827	$	17,587	$	10,164	$	21,613

Warranty expense for the six months ended June 30, 2011 for Itron International reflects an $8.6 million recovery from a third party, associated with the settlement of product claims in Sweden in 2010, and a warranty charge of $7.7 million related to certain products in Brazil. Warranty expense for the six months ended June 30, 2010 for Itron International included $9.6 million related to the resolution of claims in Sweden.

Extended Warranty

A summary of changes to unearned revenue for extended warranty contracts is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	17,193		$	7,459		$	14,637		$	5,870
Unearned revenue for new extended warranties	2,215			2,587			5,148			4,546
Unearned revenue recognized	(299		)	(381		)	(676		)	(751		)
Ending balance, June 30	19,109			9,665			19,109			9,665
Less: current portion of unearned revenue for extended warranty	1,160			1,319			1,160			1,319
Long-term unearned revenue for extended warranty within Other long-term obligations	$	17,949		$	8,346		$	17,949		$	8,346

Health Benefits

We are self insured for a substantial portion of the cost of our U.S. employee group health insurance. We purchase insurance from a third party, which provides individual and aggregate stop loss protection for these costs. Each reporting period, we expense the costs of our health insurance plan including paid claims, the change in the estimate of incurred but not reported (IBNR) claims, taxes, and administrative fees (collectively, the plan costs).

Plan costs are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Plan costs	$	5,927	$	4,316	$	12,671	$	9,402

IBNR accrual, which is included in wages and benefits payable, are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
IBNR accrual	$	2,386	$	2,056

Our IBNR accrual and expenses may fluctuate due to the number of plan participants, claims activity, and deductible limits. For our employees located outside of the United States, health benefits are provided primarily through governmental social plans, which are funded through employee and employer tax withholdings.

Restructuring

As a result of our global segment reorganization that was announced in March 2011, we are performing a comprehensive review of our cost structure. We are also completing a feasibility study of our manufacturing footprint to determine how to consolidate our manufacturing operations to reduce costs and improve efficiency. Once these plans are formalized and approved by management, which we expect to be complete in October 2011, we will provide estimated charges by category. Restructuring costs of $1.9 million were recorded in the second quarter of 2011 primarily associated with severance for positions that were eliminated in the second quarter.

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Consolidating Financial Information Consolidating Statement of Operations (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidating Statement of Operations [Line Items]
Revenues	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
Cost of revenues	421,318	393,283	800,899	733,842
Gross profit	191,083	174,056	375,193	331,120
Operating expenses
Sales and marketing	48,845	40,974	93,493	82,511
Product development	40,931	33,022	81,376	66,062
General and administrative	35,118	33,285	68,449	66,342
Amortization of intangible assets	16,197	16,766	31,794	34,577
Restructuring	1,907	0	1,907	0
Total operating expenses	142,998	124,047	277,019	249,492
Operating income	48,085	50,009	98,174	81,628
Other income and (expense)
Interest income	168	111	476	278
Interest expense	(11,420)	(13,965)	(23,534)	(28,888)
Other income (expense), net	(2,477)	(425)	(4,073)	(1,017)
Total other income (expense)	(13,729)	(14,279)	(27,131)	(29,627)
Income before income taxes	34,356	35,730	71,043	52,001
Income tax (provision) benefit	80	(10,419)	(9,487)	(1,440)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	0	0	0	0
Net income	34,436	25,311	61,556	50,561
Parent [Member]
Consolidating Statement of Operations [Line Items]
Revenues	289,090	298,380	562,653	539,253
Cost of revenues	194,728	199,882	377,003	364,772
Gross profit	94,362	98,498	185,650	174,481
Operating expenses
Sales and marketing	18,195	15,706	35,210	31,273
Product development	26,673	21,051	51,864	42,229
General and administrative	13,529	13,467	26,474	27,250
Amortization of intangible assets	3,512	4,086	7,024	8,172
Restructuring	501		501
Total operating expenses	62,410	54,310	121,073	108,924
Operating income	31,952	44,188	64,577	65,557
Other income and (expense)
Interest income	57	116	14,902	475
Interest expense	(12,178)	(14,621)	(24,997)	(30,201)
Other income (expense), net	(1,436)	4,002	(2,603)	2,973
Total other income (expense)	(13,557)	(10,503)	(12,698)	(26,753)
Income before income taxes	18,395	33,685	51,879	38,804
Income tax (provision) benefit	(2,823)	(12,539)	(14,190)	(2,792)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	18,864	4,165	23,867	14,549
Net income	34,436	25,311	61,556	50,561
Guarantor Subsidiary [Member]
Consolidating Statement of Operations [Line Items]
Revenues	0	0	0	0
Cost of revenues	0	0	0	0
Gross profit	0	0	0	0
Operating expenses
Sales and marketing	0	0	0	0
Product development	0	0	0	0
General and administrative	0	0	0	0
Amortization of intangible assets	0	0	0	0
Restructuring	0		0
Total operating expenses	0	0	0	0
Operating income	0	0	0	0
Other income and (expense)
Interest income	842	776	1,668	1,534
Interest expense	0	0	0	0
Other income (expense), net	0	0	0	0
Total other income (expense)	842	776	1,668	1,534
Income before income taxes	842	776	1,668	1,534
Income tax (provision) benefit	0	0	0	0
Equity in earnings of guarantor and non-guarantor subsidiaries, net	0	0	0	0
Net income	842	776	1,668	1,534
Combined Non-Guarantor Subsidiaries [Member]
Consolidating Statement of Operations [Line Items]
Revenues	345,332	283,082	653,623	551,911
Cost of revenues	248,611	207,524	464,080	395,272
Gross profit	96,721	75,558	189,543	156,639
Operating expenses
Sales and marketing	30,650	25,268	58,283	51,238
Product development	14,258	11,971	29,512	23,833
General and administrative	21,589	19,818	41,975	39,092
Amortization of intangible assets	12,685	12,680	24,770	26,405
Restructuring	1,406		1,406
Total operating expenses	80,588	69,737	155,946	140,568
Operating income	16,133	5,821	33,597	16,071
Other income and (expense)
Interest income	134	87	411	226
Interest expense	(107)	(212)	(15,042)	(644)
Other income (expense), net	(1,041)	(4,427)	(1,470)	(3,990)
Total other income (expense)	(1,014)	(4,552)	(16,101)	(4,408)
Income before income taxes	15,119	1,269	17,496	11,663
Income tax (provision) benefit	2,903	2,120	4,703	1,352
Equity in earnings of guarantor and non-guarantor subsidiaries, net	0	0	0	0
Net income	18,022	3,389	22,199	13,015
Eliminations [Member]
Consolidating Statement of Operations [Line Items]
Revenues	(22,021)	(14,123)	(40,184)	(26,202)
Cost of revenues	(22,021)	(14,123)	(40,184)	(26,202)
Gross profit	0	0	0	0
Operating expenses
Sales and marketing	0	0	0	0
Product development	0	0	0	0
General and administrative	0	0	0	0
Amortization of intangible assets	0	0	0	0
Restructuring	0		0
Total operating expenses	0	0	0	0
Operating income	0	0	0	0
Other income and (expense)
Interest income	(865)	(868)	(16,505)	(1,957)
Interest expense	865	868	16,505	1,957
Other income (expense), net	0	0	0	0
Total other income (expense)	0	0	0	0
Income before income taxes	0	0	0	0
Income tax (provision) benefit	0	0	0	0
Equity in earnings of guarantor and non-guarantor subsidiaries, net	(18,864)	(4,165)	(23,867)	(14,549)
Net income	$ (18,864)	$ (4,165)	$ (23,867)	$ (14,549)

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Commitments and Contingencies Extended Warranty (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Beginning balanace	$ 17,193	$ 7,459	$ 14,637	$ 5,870
Unearned revenue for new extended warranties	2,215	2,587	5,148	4,546
Unearned revenue recognized	(299)	(381)	(676)	(751)
Ending balance, June 30	19,109	9,665	19,109	9,665
Extended Warranties Unearned Revenue Current	1,160	1,319	1,160	1,319
Long-term unearned revenue for extended warranty within Other long-term obligations	$ 17,949	$ 8,346	$ 17,949	$ 8,346

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Commitments and Contingencies Available Lines of Credit, Outstanding Standby Letter of Credits, and Bonds (Details) (USD $) In Thousands	Jun. 30, 2011		Dec. 31, 2010
Line of Credit Facility [Line Items]
Unsecured Surety Bonds In Force	$ 133,352		$ 120,109
Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit	315,000	[1]	240,000	[1]
Standby letters of credit issued and outstanding	(39,970)	[1]	(43,540)	[1]
Net available for additional borrowings and lines of credit	275,030	[1]	196,460	[1]
Unsecured Multicurrency Revolving Lines of Credit [Member]
Line of Credit Facility [Line Items]
Line of credit	74,685		49,122
Standby letters of credit issued and outstanding	(32,329)		(21,784)
Short-term borrowings	(264)	[2]	(66)	[2]
Net available for additional borrowings and lines of credit	$ 42,092		$ 27,272

[1] See Note 6 for details regarding our credit facility, which is secured.

[2] Short-term borrowings are included in “Other current liabilities” on the Consolidated Balance Sheets.

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Commitments and Contingencies Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2011

Commitments and Contingencies [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

Our available lines of credit, outstanding standby LOC’s, and bonds are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Credit facility(1)
Multicurrency revolving line of credit	$	315,000		$	240,000
Standby LOC’s issued and outstanding	(39,970		)	(43,540		)
Net available for additional borrowings and LOC’s	$	275,030		$	196,460
Unsecured multicurrency revolving lines of credit with various financial institutions
Total lines of credit	$	74,685		$	49,122
Standby LOC’s issued and outstanding	(32,329		)	(21,784		)
Short-term borrowings(2)	(264		)	(66		)
Net available for additional borrowings and LOC’s	$	42,092		$	27,272
Unsecured surety bonds in force	$	133,352		$	120,109

⁽¹⁾  See Note 6 for details regarding our credit facility, which is secured.

⁽²⁾  Short-term borrowings are included in “Other current liabilities” on the Consolidated Balance Sheets.

Schedule of Warranty Accruals [Table Text Block]

A summary of the warranty accrual account activity is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	59,163		$	33,353		$	51,283		$	33,873
New product warranties	2,196			3,221			4,079			6,017
Other changes/adjustments to warranties	5,631			14,366			14,643			15,596
Reclassification from other current liabilities	—			2,687			—			2,878
Claims activity	(4,768		)	(3,317		)	(9,215		)	(7,063		)
Effect of change in exchange rates	616			(786		)	2,048			(1,777		)
Ending balance, June 30	62,838			49,524			62,838			49,524
Less: current portion of warranty	29,999			26,250			29,999			26,250
Long-term warranty	$	32,839		$	23,274		$	32,839		$	23,274

Warranty Expense by Segment [Table Text Block]

Warranty expense associated with our segments for the three and six months ended June 30 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	3,625	$	6,068	$	6,514	$	8,739
Itron International	4,202		11,519		3,650		12,874
Total warranty expense	$	7,827	$	17,587	$	10,164	$	21,613

Schedule of Changes to Unearned Revenue for Extended Warranty [Table Text Block]

A summary of changes to unearned revenue for extended warranty contracts is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	17,193		$	7,459		$	14,637		$	5,870
Unearned revenue for new extended warranties	2,215			2,587			5,148			4,546
Unearned revenue recognized	(299		)	(381		)	(676		)	(751		)
Ending balance, June 30	19,109			9,665			19,109			9,665
Less: current portion of unearned revenue for extended warranty	1,160			1,319			1,160			1,319
Long-term unearned revenue for extended warranty within Other long-term obligations	$	17,949		$	8,346		$	17,949		$	8,346

Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block]

Plan costs are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Plan costs	$	5,927	$	4,316	$	12,671	$	9,402

IBNR accrual, which is included in wages and benefits payable, are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
IBNR accrual	$	2,386	$	2,056

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Stock-Based Compensation (Text Block)

6 Months Ended

Jun. 30, 2011

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Stock-Based Compensation [Text Block]

Stock-Based Compensation

We record stock-based compensation expense for awards of stock options, stock sold pursuant to our ESPP, and the issuance of restricted stock units and unrestricted stock awards. We expense stock-based compensation primarily using the straight-line method over the vesting requirement period. For the three and six months ended June 30, stock-based compensation expense and the related tax benefit were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Stock options	$	511	$	952	$	1,544	$	2,295
Restricted stock units	3,853		3,441		7,404		6,382
Unrestricted stock awards	15		14		190		189
ESPP	164		138		380		255
Total stock-based compensation	$	4,543	$	4,545	$	9,518	$	9,121
Related tax benefit	$	1,257	$	1,324	$	2,659	$	2,732

We issue new shares of common stock upon the exercise of stock options or when vesting conditions on restricted stock units are fully satisfied.

The fair values of stock options granted were estimated at the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:

	Employee Stock Options
	Three Months Ended June 30,		Six Months Ended June 30,
	2011(1)	2010(1)	2011		2010
Dividend yield	—	—	—		—
Expected volatility	—	—	46.6	%	48.7	%
Risk-free interest rate	—	—	2.0	%	2.3	%
Expected life (years)	—	—	4.85		4.61

⁽¹⁾ There were no employee stock options granted for the three months ended June 30, 2011 and 2010.

Expected volatility is based on a combination of historical volatility of our common stock and the implied volatility of our traded options for the related expected life period. We believe this combined approach is reflective of current and historical market conditions and an appropriate indicator of expected volatility. The risk-free interest rate is the rate available as of the award date on zero-coupon U.S. government issues with a term equal to the expected life of the award. The expected life is the weighted average expected life of an award based on the period of time between the date the award is granted and the date an estimate of the award is fully exercised. Factors considered in estimating the expected life include historical experience of similar awards, contractual terms, vesting schedules, and expectations of future employee behavior. We have not paid dividends in the past and do not plan to pay dividends in the foreseeable future.

Subject to stock splits, dividends, and other similar events, 3,500,000 shares of common stock are reserved and authorized for issuance under our 2010 Stock Incentive Plan (Stock Incentive Plan). Awards consist of stock options, restricted stock units, and unrestricted stock awards. At June 30, 2011, 2,178,243 shares were available for grant under the Stock Incentive Plan.

Stock Options

Options to purchase our common stock are granted to employees and the Board of Directors with an exercise price equal to the market close price of the stock on the date the Board of Directors approves the grant. Options generally become exercisable in three equal annual installments beginning one year from the date of grant and generally expire 10 years from the date of grant. Compensation expense is recognized only for those options expected to vest, with forfeitures estimated based on our historical experience and future expectations.

A summary of our stock option activity for the six months ended June 30 is as follows:

	Shares		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value (1)		Weighted Average Grant Date Fair Value
	(in thousands)				(years)	(in thousands)
Outstanding, January 1, 2010	1,179		$	52.93	5.90	$	22,863
Granted	71		61.97					$	27.18
Exercised	(133	)	41.51			$	4,114
Outstanding, June 30, 2010	1,117		$	54.89	6.04	$	15,391
Exercisable and expected to vest, June 30, 2010	1,104		$	54.73	6.01	$	15,379
Exercisable, June 30, 2010	963		$	52.03	5.61	$	15,241
Outstanding, January 1, 2011	1,102		$	55.21	5.58	$	10,883
Granted	78		56.64					$	23.93
Exercised	(26	)	19.91			$	989
Expired	(1	)	7.00
Outstanding, June 30, 2011	1,153		$	56.13	5.48	$	5,903
Exercisable and expected to vest, June 30, 2011	1,145		$	56.12	5.45	$	5,903
Exercisable, June 30, 2011	1,029		$	55.85	5.05	$	5,903

⁽¹⁾  The aggregate intrinsic value of outstanding stock options represents amounts that would have been received by the optionees had all in- the-money options been exercised on that date. Specifically, it is the amount by which the market value of Itron’s stock exceeded the exercise price of the outstanding in-the-money options before applicable income taxes, based on our closing stock price on the last business day of the period. The aggregate intrinsic value of stock options exercised during the period is calculated based on our stock price at the date of exercise.

As of June 30, 2011, total unrecognized stock-based compensation expense related to nonvested stock options was approximately $2.4 million, which is expected to be recognized over a weighted average period of approximately 1.1 years.

Restricted Stock Units

Certain employees and senior management receive restricted stock units as a component of their total compensation. The fair value of a restricted stock unit is the market close price of our common stock on the date of grant. Restricted stock units generally vest over a three year period. Compensation expense, net of forfeitures, is recognized over the vesting period.

Subsequent to vesting, the restricted stock units are converted into shares of our common stock on a one-for-one basis and issued to employees. We are entitled to an income tax deduction in an amount equal to the taxable income reported by the employees upon vesting of the restricted stock units.

The restricted stock units issued under the Long Term Performance Restricted Stock Unit Award Agreement (Performance Award Agreement) are determined based on the attainment of annual performance goals after the end of the calendar year performance period. During the year, if management determines that it is probable that the targets will be achieved, compensation expense, net of forfeitures, is recognized on a straight-line basis over the annual performance and subsequent vesting period for each separately vesting portion of the award. Performance awards typically vest and are released in three equal installments at the end of each year following attainment of the performance goals. For U.S. participants who retire during the performance period, a pro-rated number of restricted stock units (based on the number of days of employment during the performance period) immediately vest based on the attainment of the performance goals as assessed after the end of the performance period. During the vesting period, unvested restricted stock units immediately vest at the date of retirement for U.S. participants who retire during that period. For U.S. participants who are or will become retirement eligible during either the annual performance or vesting period, compensation expense is accelerated and recognized over the greater of the performance period (one year) or the participant’s retirement eligible date. For performance awards granted in 2011, the maximum restricted stock units that may become eligible for vesting is 150,000 with a grant date fair value of $56.75.

The following table summarizes restricted stock unit activity for the six months ended June 30:

	Number of Restricted Stock Units		Weighted Average  Grant Date Fair Value		Aggregate Intrinsic Value(1)
	(in thousands)				(in thousands)
Outstanding, January 1, 2010	326
Granted(2)	210		$	63.52
Released	(75	)			$	4,965
Forfeited	(12	)
Outstanding, June 30, 2010	449
Outstanding, January 1, 2011	588
Granted(2)	255		$	56.64
Released	(192	)			$	15,007
Forfeited	(5	)
Outstanding, June 30, 2011	646
Expected to vest, June 30, 2011	545				$	26,268

⁽¹⁾  The aggregate intrinsic value is the market value of the stock, before applicable income taxes, based on the closing price on the stock release dates or at the end of the period for restricted stock units expected to vest.

⁽²⁾  These restricted stock units do not include the respective 2010 and 2011 awards under the Performance Awards Agreement, which are not eligible for vesting as of June 30 of each respective year.

At June 30, 2011, unrecognized compensation expense was $26.0 million, which is expected to be recognized over a weighted average period of approximately 2.2 years.

Unrestricted Stock Awards

We issue unrestricted stock awards to our Board of Directors as part of their compensation. Awards are fully vested and expensed when issued. The fair value of unrestricted stock awards is the market close price of our common stock on the date of grant.

The following table summarizes unrestricted stock award activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of unrestricted stock issued	276		192		3,453		2,766
Weighted average grant date fair value	$	54.17	$	77.69	$	54.96	$	68.49

Employee Stock Purchase Plan

Under the terms of the ESPP, employees can deduct up to 10% of their regular cash compensation to purchase our common stock at a 15% discount from the fair market value of the stock at the end of each fiscal quarter, subject to other limitations under the plan. The sale of the stock occurs at the beginning of the subsequent quarter.

The following table summarizes ESPP activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of stock sold to employees(1)	25,567		10,736		42,625		23,086
Weighted average fair value per ESPP award(2)	$	7.22	$	9.27	$	7.88	$	9.95

⁽¹⁾  Stock sold to employees during each fiscal quarter under the ESPP is associated with the offering period ending on the last day of the previous fiscal quarter.

⁽²⁾  Relating to awards associated with the offering period during the three and six months ended June 30.

At June 30, 2011, all compensation cost associated with the ESPP had been recognized. There were approximately 154,000 shares of common stock available for future issuance under the ESPP at June 30, 2011.

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Certain Balance Sheet Components Inventories (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Inventories [Line Items]
Materials	$ 132,303	$ 106,021
Work in process	26,058	18,389
Finished goods	94,718	83,747
Total inventories	$ 253,079	$ 208,157

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Earnings Per Share and Capital Structure (Text Block)

6 Months Ended

Jun. 30, 2011

Earnings Per Share [Abstract]

Earnings Per Share and Capital Structure [Text Block]

Earnings Per Share and Capital Structure

The following table sets forth the computation of basic and diluted earnings per share (EPS):

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands, except per share data)
Net income available to common shareholders	$	34,436	$	25,311	$	61,556	$	50,561
Weighted average common shares outstanding - Basic	40,670		40,329		40,608		40,261
Dilutive effect of convertible notes	—		283		—		206
Dilutive effect of stock-based awards	407		549		451		544
Weighted average common shares outstanding - Diluted	41,077		41,161		41,059		41,011
Earnings per common share - Basic	$	0.85	$	0.63	$	1.52	$	1.26
Earnings per common share - Diluted	$	0.84	$	0.61	$	1.50	$	1.23

Convertible Notes

We are required, pursuant to the indenture for the convertible notes, to settle the principal amount of the convertible notes in cash and may elect to settle the remaining conversion obligation (stock price in excess of conversion price) in cash, shares, or a combination. We include in the EPS calculation the amount of shares it would take to satisfy the conversion obligation, assuming that all of the convertible notes are converted. The average quarterly closing prices of our common stock were used as the basis for determining the dilutive effect on EPS. The average price of our common stock for the three and six months ended June 30, 2011 did not exceed the conversion price of $65.16 and, therefore, did not have an effect on diluted EPS. The average price of our common stock for the three and six months ended June 30, 2010 exceeded the conversion price of $65.16 and, therefore, approximately 283,000 and 206,000 shares have been included in the diluted EPS calculation for those respective periods.

Stock-based Awards

For stock-based awards, the dilutive effect is calculated using the treasury stock method. Under this method, the dilutive effect is computed as if the awards were exercised at the beginning of the period (or at time of issuance, if later) and assumes the related proceeds were used to repurchase common stock at the average market price during the period. Related proceeds include the amount the employee must pay upon exercise, future compensation cost associated with the stock award, and the amount of excess tax benefits, if any. Approximately 672,000 and 664,000 stock-based awards were excluded from the calculation of diluted EPS for the three and six months ended June 30, 2011, and approximately 308,000 and 385,000 stock-based awards were excluded from the calculation of diluted EPS for the three and six months ended June 30, 2010, respectively, because they were anti-dilutive. These stock-based awards could be dilutive in future periods.

Preferred Stock

We have authorized the issuance of 10 million shares of preferred stock with no par value. In the event of a liquidation, dissolution, or winding up of the affairs of the corporation, whether voluntary or involuntary, the holders of any outstanding preferred stock will be entitled to be paid a preferential amount per share to be determined by the Board of Directors prior to any payment to holders of common stock. Shares of preferred stock may be converted into common stock based on terms, conditions, and rates as defined in the Rights Agreement, which may be adjusted by the Board of Directors. There was no preferred stock sold or outstanding at June 30, 2011 and December 31, 2010.

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Income Taxes Possible Change To Unrecognized Tax Benefits (Details) (USD $) In Millions	Jun. 30, 2011
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Amount of unrecognized tax benefits that may reasonably possibly decrease within 12 months	$ 4.4

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Goodwill (Text Block)

6 Months Ended

Jun. 30, 2011

Goodwill Excluding Non Goodwill Intangibles [Abstract]

Goodwill Disclosure [Text Block]

Goodwill

The following table reflects goodwill allocated to each reporting segment at June 30, 2011 and 2010:

	Itron North America		Itron International			Total Company
	(in thousands)
Goodwill balance at January 1, 2010	$	197,515	$	1,108,084		$	1,305,599
Effect of change in exchange rates	89		(159,606		)	(159,517		)
Goodwill balance at June 30, 2010	$	197,604	$	948,478		$	1,146,082
Goodwill balance at January 1, 2011	$	198,048	$	1,011,328		$	1,209,376
Goodwill acquired	—		10,251			10,251
Effect of change in exchange rates	205		91,939			92,144
Goodwill balance at June 30, 2011	$	198,253	$	1,113,518		$	1,311,771

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Summary of Significant Accounting Policies Income Tax Policy Additional Information (Details)	6 Months Ended
	Jun. 30, 2011
Income Tax Contingency [Line Items]
Income Tax Examination Likelihood Of Favorable Settlement Minimum For Recognition	50.00%

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Income Taxes Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Income Taxes [Abstract]

Net Interest And Penalties [Table Text Block]

The net interest and penalties expense (benefit) recognized is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2011		2010			2011		2010
	(in thousands)
Net interest and penalties expense (benefit)	$	113	$	(502	)	$	108	$	296

Accrued Interest And Penalties [Table Text Block]

Accrued interest and penalties recorded are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Accrued interest	$	4,766	$	4,403
Accrued penalties	3,574		3,233

Unrecognized Tax Benefits Related To Uncertain Tax Positions [Table Text Block]

Unrecognized tax benefits related to uncertain tax positions and the amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Unrecognized tax benefits related to uncertain tax positions	$	29,162	$	42,175
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate	29,089		30,832

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Segment Information Information By Segment (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Segment Reporting Information [Line Items]
Revenues	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
Gross profit	191,083	174,056	375,193	331,120
Operating Income (Loss)	48,085	50,009	98,174	81,628
Total other income (expense)	(13,729)	(14,279)	(27,131)	(29,627)
Income (Loss) Before Income Taxes	34,356	35,730	71,043	52,001
Depreciation and amortization	32,768	31,793	64,299	65,071
Itron North America [Member]
Segment Reporting Information [Line Items]
Revenues	288,224	301,143	565,206	542,702
Gross profit	96,958	100,972	191,680	179,131
Operating Income (Loss)	42,739	55,384	86,532	87,420
Depreciation and amortization	11,176	11,441	22,347	22,728
Itron International [Member]
Segment Reporting Information [Line Items]
Revenues	324,177	266,196	610,886	522,260
Gross profit	94,125	73,084	183,513	151,989
Operating Income (Loss)	16,483	5,017	32,711	15,454
Depreciation and amortization	21,591	20,352	41,950	42,342
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	(11,137)	(10,392)	(21,069)	(21,246)
Depreciation and amortization	$ 1	$ 0	$ 2	$ 1

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Intangible Assets Estimated Future Annual Amortization Expense (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
2011 Amount remaining at June 30	$ 32,306
2012	50,234
2013	41,442
2014	34,082
2015	27,997
Beyond 2015	106,869
Total intangible assets net	$ 292,930

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Debt Schedule of Debt (Details) In Thousands	Jun. 30, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2011 USD Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 USD Denominated Term Loan [Member] USD ($)	Jun. 30, 2011 EUR Denominated Term Loan [Member] EUR (€)	Jun. 30, 2011 EUR Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 EUR Denominated Term Loan [Member] EUR (€)	Dec. 31, 2010 EUR Denominated Term Loan [Member] USD ($)
Debt Instrument [Line Items]
Term loans			$ 200,616	$ 218,642	€ 105,800	$ 151,350	€ 132,400	$ 174,031
Convertible senior subordinated debt	223,604	218,268
Total debt	575,570	610,941
Current portion of long term debt	(234,449)	(228,721)
Long-term debt	$ 341,121	$ 382,220

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Certain Balance Sheet Components Summary of the Allowance for Doubtful Accounts (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary of Allowance for Doubtful Accounts Activity [Line Items]
Beginning balance	$ 9,030	$ 5,870	$ 9,045	$ 6,339
Provision (release) of doubtful accounts, net	298	742	(48)	662
Accounts written-off	(505)	(43)	(552)	(173)
Effects of change In exchange rates	157	(271)	535	(530)
Ending balance	$ 8,980	$ 6,298	$ 8,980	$ 6,298

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Debt Convertible Senior Subordinated Notes Additional Information (Details) (USD $)									6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Option of the Holders [Member] Convertible Debt [Member] Senior Subordinated Notes [Member]	Jun. 30, 2011 Option of the Holders [Member] Convertible Debt [Member] Senior Subordinated Notes [Member] On August 1, 2011 [Member]	Jun. 30, 2011 Option of the Holders [Member] Convertible Debt [Member] Senior Subordinated Notes [Member] On August 1, 2016 [Member]	Jun. 30, 2011 Option of the Holders [Member] Convertible Debt [Member] Senior Subordinated Notes [Member] On August 1, 2021 [Member]	Jun. 30, 2011 Option of the Company [Member] Convertible Debt [Member] Senior Subordinated Notes [Member]	Jun. 30, 2011 Option of the Company [Member] Convertible Debt [Member] Senior Subordinated Notes [Member] On or After August 1, 2011 [Member]	Jun. 30, 2011 Convertible Debt [Member] Senior Subordinated Notes [Member]	Aug. 04, 2006 Convertible Debt [Member] Senior Subordinated Notes [Member]
Convertible Senior Subordinated Notes [Line Items]
Debt instrument, face amount	$ 223,604,000	$ 223,604,000								$ 345,000,000
Debt instrument, interest rate, stated percentage										2.50%
Contingent interest payment rate									0.19%
Debt instrument, convertible, conversion ratio									15.3478
Principal amount of convertible note for conversion rate									$ 1,000
Common stock closing price threshold for conversion									$ 78.19
Stock price exceeding conversion price									120.00%
Debt instrument, convertible, conversion price	$ 65.16								$ 65.16
Conversion threshold minimum trading days									20
Conversion threshold consecutive trading day period									30
Conversion threshold trading price of convertible note to conversion value									98.00%
Closing stock price per common share	$ 48.16
Percent of principal amount redemption price			100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Ownership percentage of subsidiary guarantor	100.00%
Estimated nonconvertible debt borrowing rate										7.38%
Debt Instrument, Convertible, Effective Interest Rate									7.38%

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Debt (Text Block)

6 Months Ended

Jun. 30, 2011

Debt Disclosure [Abstract]

Debt [Text Block]

Debt

The components of our borrowings are as follows:

	June 30, 2011			December 31, 2010
	(in thousands)
Term loans
USD denominated term loan	$	200,616		$	218,642
EUR denominated term loan	151,350			174,031
Convertible senior subordinated notes	223,604			218,268
Total debt	575,570			610,941
Current portion of long-term debt	(234,449		)	(228,721		)
Long-term debt	$	341,121		$	382,220

Credit Facility

Our credit facility is dated April 18, 2007 and includes two amendments dated April 24, 2009 and February 10, 2010. The principal balance of our euro denominated term loan at June 30, 2011 and December 31, 2010 was €105.8 million and €132.4 million, respectively. Interest rates on the credit facility are based on the respective borrowing's denominated London Interbank Offered Rate (LIBOR) or the Wells Fargo Bank, National Association's prime rate, plus an additional margin subject to our consolidated leverage ratio. The additional interest rate margin was 3.50% at June 30, 2011. Our interest rates were 3.70% for the U.S. dollar denominated and 4.72% for the euro denominated term loans at June 30, 2011. Scheduled amortization of principal payments is 1% per year (0.25% quarterly) with an excess cash flow provision for additional annual principal repayment requirements. The amount of the excess cash flow provision payment varies according to our consolidated leverage ratio. Maturities of the term loans and the multicurrency revolving line of credit are in April 2014 and 2013, respectively. The credit facility is secured by substantially all of the assets of Itron, Inc. and our U.S. domestic operating subsidiaries and includes covenants, which contain certain financial ratios and place restrictions on the incurrence of debt, the payment of dividends, certain investments, incurrence of capital expenditures above a set limit, and mergers.

The credit facility includes a multicurrency revolving line of credit, which was increased from $240 million to $315 million on January 20, 2011. The increase was completed under the terms of the credit facility. Prepaid debt fees of $379,000 were capitalized associated with the increase in the credit line. There were no other changes to the credit facility.

At June 30, 2011, there were no borrowings outstanding under the revolving line of credit, and $40.0 million was utilized by outstanding standby letters of credit, resulting in $275.0 million being available for additional borrowings.

We repaid $2.7 million and $55.6 million of the term loans during the three and six months ended June 30, 2011, respectively. Repayments of $21.1 million and $73.9 million were made during the three and six months ended June 30, 2010, respectively. These term loan repayments were made with cash flows from operations and cash on hand. We were in compliance with the debt covenants under the credit facility at June 30, 2011.

Convertible Senior Subordinated Notes

On August 4, 2006, we issued $345 million of 2.50% convertible notes due August 2026. Fixed interest payments are required every six months, in February and August of each year. For each six month period beginning August 2011, contingent interest payments of approximately 0.19% of the average trading price of the convertible notes will be made if certain thresholds are met or events occur, as outlined in the indenture. The convertible notes are registered with the SEC and are generally transferable. Our convertible notes are not considered conventional convertible debt as the number of shares, or cash, to be received by the holders was not fixed at the inception of the obligation. We have concluded that the conversion feature of our convertible notes does not need to be bifurcated from the host contract and accounted for as a freestanding derivative, as the conversion feature is indexed to our own stock and would be classified within stockholders’ equity if it were a freestanding instrument.

The convertible notes may be converted at the option of the holder at a conversion rate of 15.3478 shares of our common stock for each $1,000 principal amount of the convertible notes, under the following circumstances, as defined in the indenture:

◦ if the closing sale price per share of our common stock exceeds $78.19, which is 120% of the conversion price of $65.16, for at least 20 trading days in the 30 consecutive trading day period ending on the last trading day of the preceding fiscal quarter;

◦ between July 1, 2011 and August 1, 2011, and any time after August 1, 2024;

◦ during the five business days after any five consecutive trading day period in which the trading price of the convertible notes for each day was less than 98% of the average conversion value of the convertible notes;

◦ if the convertible notes are called for redemption;

◦ if a fundamental change occurs; or

◦ upon the occurrence of defined corporate events.

The amount payable upon conversion is the result of a formula based on the closing prices of our common stock for 20 consecutive trading days following the date of the conversion notice. Based on the conversion ratio of 15.3478 shares per $1,000 principal amount of the convertible notes, if our stock price is lower than the conversion price of $65.16, the amount payable will be less than the $1,000 principal amount and will be settled in cash. Our closing stock price at June 30, 2011 was $48.16 per share.

Upon conversion, the principal amount of the convertible notes will be settled in cash and, at our option, the remaining conversion obligation (stock price in excess of conversion price) may be settled in cash, shares, or a combination. The conversion rate for the convertible notes is subject to adjustment upon the occurrence of certain corporate events, as defined in the indenture, to ensure that the economic rights of the convertible note holders are preserved.

The convertible notes also contain purchase options, at the option of the holders, which if exercised would require us to repurchase all or a portion of the convertible notes on August 1, 2011, August 1, 2016, and August 1, 2021 at 100% of the principal amount, plus accrued and unpaid interest. If we are required to purchase the convertible notes at 100% of the principal amount, no gain or loss would be recognized upon derecognition as the fair value of the consideration transferred to the holder would equal the fair value of the liability component.

On or after August 1, 2011, we have the option to redeem all or a portion of the convertible notes at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. If we elect to redeem all or a portion of the convertible notes at 100% of the principal amount, no gain or loss would be recognized upon derecognition as the fair value of the consideration transferred to the holder would equal the fair value of the liability component.

The convertible notes are unsecured, subordinated to our credit facility (senior secured borrowings), and are guaranteed by one U.S. subsidiary, which is 100% owned. The convertible notes contain covenants, which place restrictions on the incurrence of debt and certain mergers. We were in compliance with these debt covenants at June 30, 2011.

The convertible notes are classified as current on the Consolidated Balance Sheet due to the combination of put, call, and conversion options occurring in 2011.

Our convertible notes are separated between the liability and equity components using our estimated non-convertible debt borrowing rate at the time our convertible notes were issued, which was determined to be 7.38%. This rate also reflects the effective interest rate on the liability component. The equity component would be retained as a permanent component of our shareholders' equity in the event the convertible notes are either purchased or redeemed at 100% of the principal amount. At June 30, 2011, the discount on the liability component was fully amortized. The carrying amounts of the debt and equity components are as follows:

	June 30, 2011		December 31, 2010
	(in thousands)
Face value of convertible notes	$	223,604	$	223,604
Unamortized discount	—		(5,336		)
Net carrying amount of debt component	$	223,604	$	218,268
Carrying amount of equity component	$	31,831	$	31,831

The interest expense relating to both the contractual interest coupon and amortization of the discount on the liability component are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Contractual interest coupon	$	1,397	$	1,397	$	2,795	$	2,795
Amortization of the discount on the liability component	2,693		2,501		5,336		4,957
Total interest expense on convertible notes	$	4,090	$	3,898	$	8,131	$	7,752

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Stock-Based Compensation Stock Option Black Scholes Option Pricing Model Assumptions (Details) (Employee Stock Option [Member])	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Employee Stock Option [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Dividend yield	0.00%	[1]	0.00%	[1]	0.00%	0.00%
Expected volatility	0.00%	[1]	0.00%	[1]	46.60%	48.70%
Risk free interest rate	0.00%	[1]	0.00%	[1]	2.00%	2.30%
Expected life (years)	0	[1]	0	[1]	4.85	4.61

[1] There were no employee stock options granted for the three months ended June 30, 2011 and 2010.

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Summary of Significant Accounting Policies Consolidated Statement of Operations Restatement (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
Cost of revenues	421,318	393,283	800,899	733,842
Gross profit	191,083	174,056	375,193	331,120
Operating income	48,085	50,009	98,174	81,628
Income before income taxes	34,356	35,730	71,043	52,001
Income tax (provision) benefit	80	(10,419)	(9,487)	(1,440)
Net income	34,436	25,311	61,556	50,561
Earnings per common share-Basic	$ 0.85	$ 0.63	$ 1.52	$ 1.26
Earnings per common share-Diluted	$ 0.84	$ 0.61	$ 1.50	$ 1.23
Scenario, Previously Reported [Member]
Revenue		569,460		1,068,740
Cost of revenues		393,136		733,521
Gross profit		176,324		335,219
Operating income		52,277		85,727
Income before income taxes		37,998		56,100
Income tax (provision) benefit		(11,098)		(2,413)
Net income		26,900		53,687
Earnings per common share-Basic		$ 0.67		$ 1.33
Earnings per common share-Diluted		$ 0.65		$ 1.31
As restated [Member]
Revenue		567,339		1,064,962
Cost of revenues		393,283		733,842
Gross profit		174,056		331,120
Operating income		50,009		81,628
Income before income taxes		35,730		52,001
Income tax (provision) benefit		(10,419)		(1,440)
Net income		$ 25,311		$ 50,561
Earnings per common share-Basic		$ 0.63		$ 1.26
Earnings per common share-Diluted		$ 0.61		$ 1.23

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Derivative Financial Instruments Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Financial Instruments [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The fair values of our derivative instruments determined using the fair value measurement of significant other observable inputs (Level 2) at June 30, 2011 and December 31, 2010 are as follows:

		Fair Value
	Balance Sheet Location	June 30, 2011		December 31, 2010
		(in thousands)
Asset Derivatives
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current assets	$	171	$	63
Liability Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other current liabilities	$	2,395	$	5,845
Interest rate swap contracts	Other long-term obligations	182		975
Euro denominated term loan *	Current portion of debt	4,794		4,402
Euro denominated term loan *	Long-term debt	146,556		169,629
Total derivatives designated as hedging instruments under ASC 815-20		$	153,927	$	180,851
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current liabilities	$	200	$	457
Total liability derivatives		$	154,127	$	181,308

* The euro denominated term loan is a nonderivative financial instrument designated as a hedge of our net investment in international operations. It is recorded at its carrying value in the Consolidated Balance Sheets and is not recorded at fair value.

Accumulated OCI for Derivative and Nonderivative Instruments Designated as Hedging Instruments, Net of Tax [Table Text Block]

OCI during the reporting period for our derivative and nonderivative instruments designated as hedging instruments (collectively, hedging instruments), net of tax, was as follows:

	2011			2010
	(in thousands)
Net unrealized loss on hedging instruments at January 1,	$	(10,034	)	$	(30,300	)
Unrealized gain (loss) on derivative instruments	(164		)	(2,542		)
Unrealized gain (loss) on a nonderivative net investment hedging instrument	(9,262		)	24,352
Realized (gains) losses reclassified into net income (loss)	2,774			4,197
Net unrealized loss on hedging instruments at June 30,	$	(16,686	)	$	(4,293	)

Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax [Table Text Block]

The before tax effect of our cash flow derivative instruments on the Consolidated Balance Sheets and the Consolidated Statements of Operations for the three and six months ended June 30 are as follows:

Derivatives in ASC 815-20 Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in OCI on Derivative  (Effective Portion)						Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)							Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)
							Location	Amount						Location	Amount
	2011			2010				2011			2010				2011			2010
	(in thousands)							(in thousands)							(in thousands)
Three Months Ended June 30,
Interest rate swap contracts	$	(2,149	)	$	(839	)	Interest expense	$	(1,788	)	$	(3,238	)	Interest expense	$	(31	)	$	(14	)
Six Months Ended June 30,
Interest rate swap contracts	$	(4,477	)	$	(4,122	)	Interest expense	$	(4,171	)	$	(6,810	)	Interest expense	$	(80	)	$	(74	)

Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The before tax and net of tax effects of our net investment hedge nonderivative financial instrument on OCI for the three and six months ended June 30 are as follows:

Nonderivative Financial Instruments in ASC 815-20 Net Investment Hedging Relationships	Euro Denominated Term Loan Designated as a Hedge of Our  Net Investment in International Operations
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Gain (loss) recognized in OCI on derivative (Effective Portion)
Before tax	$	(2,343	)	$	20,943	$	(14,923	)	$	39,498
Net of tax	$	(1,452	)	$	12,908	$	(9,262	)	$	24,352

Foreign Exchange Derivatives Not Designated As Hedging Instruments [Table Text Block]

The effect of our foreign exchange forward derivative instruments on the Consolidated Statements of Operations for the three and six months ended June 30 is as follows:

Derivatives Not Designated as Hedging Instrument under ASC 815-20	Gain (Loss) Recognized on Derivatives in Other Income (Expense)
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Foreign exchange forward contracts	$	(1,259	)	$	3,316	$	(3,341	)	$	3,047

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Derivative Financial Instruments Derivative and Nonderivative Hedging Instrument Fair Value Disclosure (Details) (USD $) In Thousands	Jun. 30, 2011		Dec. 31, 2010
Liability Derivatives [Abstract]
Current portion of euro denominated term loan	$ 234,449		$ 228,721
Long-term portion of Euro denominated term loan	341,121		382,220
Total liability derivatives	154,127		181,308
EUR Denominated Term Loan [Member] | Designated as Hedging Instrument [Member] | Current Portion of Debt [Member]
Liability Derivatives [Abstract]
Current portion of euro denominated term loan	4,794	[1]	4,402	[1]
EUR Denominated Term Loan [Member] | Designated as Hedging Instrument [Member] | Long-term Debt [Member]
Liability Derivatives [Abstract]
Long-term portion of Euro denominated term loan	146,556	[1]	169,629	[1]
Designated as Hedging Instrument [Member]
Liability Derivatives [Abstract]
Total liability derivatives	153,927		180,851
Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Liability Derivatives [Abstract]
Interest rate swap contracts	2,395		5,845
Designated as Hedging Instrument [Member] | Other Long Term Obligations [Member]
Liability Derivatives [Abstract]
Interest rate swap contracts	182		975
Other Current Assets [Member]
Asset Derivatives [Abstract]
Foreign exchange forward contracts asset	171		63
Other Current Liabilities [Member]
Liability Derivatives [Abstract]
Foreign exchange forward contracts liability	$ 200		$ 457

[1] The euro denominated term loan is a nonderivative financial instrument designated as a hedge of our net investment in international operations. It is recorded at its carrying value in the Consolidated Balance Sheets and is not recorded at fair value.

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Commitments and Contingencies Warranty Expense by Segment (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Warranty Expense	$ 7,827	$ 17,587	$ 10,164	$ 21,613
Itron North America [Member]
Warranty Expense	3,625	6,068	6,514	8,739
Itron International [Member]
Warranty Expense	$ 4,202	$ 11,519	$ 3,650	$ 12,874

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Consolidating Financial Information Consolidating Statement of Cash Flows (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 61,556	$ 50,561
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	64,299	65,071
Stock-based compensation	9,518	9,121
Amortization of prepaid debt fees	2,265	2,762
Amortization of convertible debt discount	5,336	4,957
Deferred taxes, net	6,081	(8,132)
Equity in losses of guarantor and non-guarantor subsidiaries, net	0	0
Other adjustments, net	285	3,306
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(12,106)	(52,124)
Inventories	(36,668)	(40,930)
Other current assets	(21,268)	8,375
Other long-term assets	(22,993)	(763)
Accounts payables, other current liabilities, and taxes payable	16,523	42,463
Wages and benefits payable	(21,531)	19,648
Unearned revenue	24,159	2,365
Warranty	9,510	14,355
Intercompany transactions, net	0	0
Other operating, net	2,726	(3,949)
Net cash provided by operating activities	87,692	117,086
Investing activities
Acquisitions of property, plant, and equipment	(28,712)	(27,716)
Business acquisition, net of cash equivalents acquired	(14,635)	0
Current intercompany notes, net	0	0
Other investing, net	513	4,495
Net cash provided by (used in) investing activities	(42,834)	(23,221)
Financing activities
Payments on debt	(55,630)	(73,881)
Issuance of common stock	2,553	6,812
Current intercompany notes, net	0	0
Other financing, net	(319)	(2,237)
Net cash used in financing activities	(53,396)	(69,306)
Effect of foreign exchange rate changes on cash and cash equivalents	7,345	(9,081)
Increase (decrease) in cash and cash equivalents	(1,193)	15,478
Cash and cash equivalents at beginning of period	169,477	121,893
Cash and cash equivalents at end of period	168,284	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	978	(3,491)
Fair value of contingent and deferred consideration payable for business acquisition	5,108	0
Supplemental disclosure of cash flow information:
Income taxes paid, net	6,842	9,355
Interest, net of amounts capitalized	15,927	21,178
Parent Company [Member]
Operating activities
Net income	61,556	50,561
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	22,314	22,655
Stock-based compensation	9,518	9,121
Amortization of prepaid debt fees	2,265	2,762
Amortization of convertible debt discount	5,336	4,957
Deferred taxes, net	17,948	2,639
Equity in losses of guarantor and non-guarantor subsidiaries, net	(23,867)	(14,549)
Other adjustments, net	(209)	1,972
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	22,209	(33,080)
Inventories	(11,789)	(33,896)
Other current assets	750	6,504
Other long-term assets	(11,410)	1,215
Accounts payables, other current liabilities, and taxes payable	4,585	22,873
Wages and benefits payable	(19,329)	16,928
Unearned revenue	9,875	(330)
Warranty	(30)	3,692
Intercompany transactions, net	3,207	2,784
Other operating, net	(1,159)	68
Net cash provided by operating activities	91,770	66,876
Investing activities
Acquisitions of property, plant, and equipment	(14,579)	(15,490)
Business acquisition, net of cash equivalents acquired	0
Current intercompany notes, net	106	27,259
Other investing, net	34,541	2,572
Net cash provided by (used in) investing activities	20,068	14,341
Financing activities
Payments on debt	(55,630)	(73,881)
Issuance of common stock	2,553	6,812
Current intercompany notes, net	1,668	(3,466)
Other financing, net	(538)	(1,340)
Net cash used in financing activities	(51,947)	(71,875)
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	59,891	9,342
Cash and cash equivalents at beginning of period	19,146	16,385
Cash and cash equivalents at end of period	79,037	25,727
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	2,114	(245)
Fair value of contingent and deferred consideration payable for business acquisition	0
Supplemental disclosure of cash flow information:
Income taxes paid, net	(1,028)	9,191
Interest, net of amounts capitalized	15,719	20,958
Guarantor Subsidiary [Member]
Operating activities
Net income	1,668	1,534
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	0	0
Stock-based compensation	0	0
Amortization of prepaid debt fees	0	0
Amortization of convertible debt discount	0	0
Deferred taxes, net	0	0
Equity in losses of guarantor and non-guarantor subsidiaries, net	0	0
Other adjustments, net	0	0
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	0	0
Inventories	0	0
Other current assets	0	0
Other long-term assets	0	0
Accounts payables, other current liabilities, and taxes payable	0	0
Wages and benefits payable	0	0
Unearned revenue	0	0
Warranty	0	0
Intercompany transactions, net	0	0
Other operating, net	0	0
Net cash provided by operating activities	1,668	1,534
Investing activities
Acquisitions of property, plant, and equipment	0	0
Business acquisition, net of cash equivalents acquired	0
Current intercompany notes, net	(1,668)	(1,534)
Other investing, net	0	0
Net cash provided by (used in) investing activities	(1,668)	(1,534)
Financing activities
Payments on debt	0	0
Issuance of common stock	0	0
Current intercompany notes, net	0	0
Other financing, net	0	0
Net cash used in financing activities	0	0
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	0	0
Fair value of contingent and deferred consideration payable for business acquisition	0
Supplemental disclosure of cash flow information:
Income taxes paid, net	0	0
Interest, net of amounts capitalized	0	0
Combined Non-Guarantor Subsidiaries [Member]
Operating activities
Net income	22,199	13,015
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	41,985	42,416
Stock-based compensation	0	0
Amortization of prepaid debt fees	0	0
Amortization of convertible debt discount	0	0
Deferred taxes, net	(11,867)	(10,771)
Equity in losses of guarantor and non-guarantor subsidiaries, net	0	0
Other adjustments, net	494	1,334
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(34,315)	(19,044)
Inventories	(24,879)	(7,034)
Other current assets	(22,018)	1,871
Other long-term assets	(11,583)	(1,978)
Accounts payables, other current liabilities, and taxes payable	11,938	19,590
Wages and benefits payable	(2,202)	2,720
Unearned revenue	14,284	2,695
Warranty	9,540	10,663
Intercompany transactions, net	(3,207)	(2,784)
Other operating, net	3,885	(4,017)
Net cash provided by operating activities	(5,746)	48,676
Investing activities
Acquisitions of property, plant, and equipment	(14,133)	(12,226)
Business acquisition, net of cash equivalents acquired	(14,635)
Current intercompany notes, net	0	5,000
Other investing, net	(34,028)	1,923
Net cash provided by (used in) investing activities	(62,796)	(5,303)
Financing activities
Payments on debt	0	0
Issuance of common stock	0	0
Current intercompany notes, net	(106)	(27,259)
Other financing, net	219	(897)
Net cash used in financing activities	113	(28,156)
Effect of foreign exchange rate changes on cash and cash equivalents	7,345	(9,081)
Increase (decrease) in cash and cash equivalents	(61,084)	6,136
Cash and cash equivalents at beginning of period	150,331	105,508
Cash and cash equivalents at end of period	89,247	111,644
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	(1,136)	(3,246)
Fair value of contingent and deferred consideration payable for business acquisition	5,108
Supplemental disclosure of cash flow information:
Income taxes paid, net	7,870	164
Interest, net of amounts capitalized	208	220
Eliminations [Member]
Operating activities
Net income	(23,867)	(14,549)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	0	0
Stock-based compensation	0	0
Amortization of prepaid debt fees	0	0
Amortization of convertible debt discount	0	0
Deferred taxes, net	0	0
Equity in losses of guarantor and non-guarantor subsidiaries, net	23,867	14,549
Other adjustments, net	0	0
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	0	0
Inventories	0	0
Other current assets	0	0
Other long-term assets	0	0
Accounts payables, other current liabilities, and taxes payable	0	0
Wages and benefits payable	0	0
Unearned revenue	0	0
Warranty	0	0
Intercompany transactions, net	0	0
Other operating, net	0	0
Net cash provided by operating activities	0	0
Investing activities
Acquisitions of property, plant, and equipment	0	0
Business acquisition, net of cash equivalents acquired	0
Current intercompany notes, net	1,562	(30,725)
Other investing, net	0	0
Net cash provided by (used in) investing activities	1,562	(30,725)
Financing activities
Payments on debt	0	0
Issuance of common stock	0	0
Current intercompany notes, net	(1,562)	30,725
Other financing, net	0	0
Net cash used in financing activities	(1,562)	30,725
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	0	0
Fair value of contingent and deferred consideration payable for business acquisition	0
Supplemental disclosure of cash flow information:
Income taxes paid, net	0	0
Interest, net of amounts capitalized	$ 0	$ 0

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Stock-Based Compensation Restricted Stock Units Summary (Details) (Restricted Stock Units (RSUs) [Member], USD $) In Thousands, except Per Share data	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Restricted Stock Units (RSUs) [Member]
[Line Items]
Outstanding, beginning balance, Number	588		326
Granted, Number	255	[1]	210	[1]
Granted, Weighted Average Grant Date Fair Value	$ 56.64	[1]	$ 63.52	[1]
Released, Number	(192)		(75)
Released, Aggregate Intrinsic Value	$ 15,007	[2]	$ 4,965	[2]
Forfeited, Number	(5)		(12)
Outstanding, ending balance, Number	646		449
Expected to vest, Number	545
Expected to vest, Aggregate Intrinsic Value	$ 26,268	[2]

[1] These restricted stock units do not include the respective 2010 and 2011 awards under the Performance Awards Agreement, which are not eligible for vesting as of June 30 of each respective year.

[2] The aggregate intrinsic value is the market value of the stock, before applicable income taxes, based on the closing price on the stock release dates or at the end of the period for restricted stock units expected to vest.

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Debt Schedule of Interest Expense On Liability Components (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Debt Instrument [Line Items]
Amortization of the discount on the liability component			$ 5,336	$ 4,957
Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]
Contractual interest coupon	1,397	1,397	2,795	2,795
Amortization of the discount on the liability component	2,693	2,501	5,336	4,957
Total interest expense on convertible notes	$ 4,090	$ 3,898	$ 8,131	$ 7,752

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Other Comprehensive Income Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2011

Other Comprehensive Income (Loss) [Abstract]

Total Comprehensive Income (Loss) Net Of Tax [Table Text Block]

Total comprehensive income (loss) during the reporting periods, net of tax, was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Net income (loss)	$	34,436		$	25,311		$	61,556		$	50,561
Foreign currency translation adjustment, net	23,097			(115,021		)	123,544			(212,499		)
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges, net	(224		)	(517		)	(164		)	(2,542		)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument, net	(1,452		)	12,908			(9,262		)	24,352
Net hedging (gain) loss reclassified into net income (loss), net	1,332			1,995			2,774			4,197
Pension plan benefits liability adjustment, net	24			(117		)	(528		)	(685		)
Total comprehensive income (loss)	$	57,213		$	(75,441	)	$	177,920		$	(136,616	)

Income Tax (Provision) Benefit Related To OCI [Table Text Block]

Income tax (provision) benefit related to OCI during the reporting periods was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Foreign currency translation adjustment	$	(67	)	$	(72	)	$	(412	)	$	(585	)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	137			322			142			1,580
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	891			(8,035		)	5,661			(15,146		)
Net hedging (gain) loss reclassified into net income (loss)	(817		)	(1,243		)	(1,703		)	(2,613		)
Pension plan benefits liability adjustment	(9		)	38			217			221
Total income tax (provision) benefit on other comprehensive income (loss)	$	135		$	(8,990	)	$	3,905		$	(16,543	)

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Summary of Significant Accounting Policies Fair Value Measurements Policy Additional Information (Details) (Fair Value, Inputs, Level 1 [Member], USD $) In Thousands	Jun. 30, 2011
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 0
Liabilities, Fair Value Disclosure	$ 0

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Stock-Based Compensation Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Stock Based Compensation [Abstract] [Abstract]

Stock-Based Compensation Expense and Related Tax Benefit [Table Text Block]

For the three and six months ended June 30, stock-based compensation expense and the related tax benefit were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Stock options	$	511	$	952	$	1,544	$	2,295
Restricted stock units	3,853		3,441		7,404		6,382
Unrestricted stock awards	15		14		190		189
ESPP	164		138		380		255
Total stock-based compensation	$	4,543	$	4,545	$	9,518	$	9,121
Related tax benefit	$	1,257	$	1,324	$	2,659	$	2,732

Stock Options, Valuation Assumptions [Table Text Block]

The fair values of stock options granted were estimated at the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:

	Employee Stock Options
	Three Months Ended June 30,		Six Months Ended June 30,
	2011(1)	2010(1)	2011		2010
Dividend yield	—	—	—		—
Expected volatility	—	—	46.6	%	48.7	%
Risk-free interest rate	—	—	2.0	%	2.3	%
Expected life (years)	—	—	4.85		4.61

⁽¹⁾ There were no employee stock options granted for the three months ended June 30, 2011 and 2010.

Employee Stock Options Activity [Table Text Block]

A summary of our stock option activity for the six months ended June 30 is as follows:

	Shares		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value (1)		Weighted Average Grant Date Fair Value
	(in thousands)				(years)	(in thousands)
Outstanding, January 1, 2010	1,179		$	52.93	5.90	$	22,863
Granted	71		61.97					$	27.18
Exercised	(133	)	41.51			$	4,114
Outstanding, June 30, 2010	1,117		$	54.89	6.04	$	15,391
Exercisable and expected to vest, June 30, 2010	1,104		$	54.73	6.01	$	15,379
Exercisable, June 30, 2010	963		$	52.03	5.61	$	15,241
Outstanding, January 1, 2011	1,102		$	55.21	5.58	$	10,883
Granted	78		56.64					$	23.93
Exercised	(26	)	19.91			$	989
Expired	(1	)	7.00
Outstanding, June 30, 2011	1,153		$	56.13	5.48	$	5,903
Exercisable and expected to vest, June 30, 2011	1,145		$	56.12	5.45	$	5,903
Exercisable, June 30, 2011	1,029		$	55.85	5.05	$	5,903

⁽¹⁾  The aggregate intrinsic value of outstanding stock options represents amounts that would have been received by the optionees had all in- the-money options been exercised on that date. Specifically, it is the amount by which the market value of Itron’s stock exceeded the exercise price of the outstanding in-the-money options before applicable income taxes, based on our closing stock price on the last business day of the period. The aggregate intrinsic value of stock options exercised during the period is calculated based on our stock price at the date of exercise.

Restricted Stock Units Award Activity [Table Text Block]

The following table summarizes restricted stock unit activity for the six months ended June 30:

	Number of Restricted Stock Units		Weighted Average  Grant Date Fair Value		Aggregate Intrinsic Value(1)
	(in thousands)				(in thousands)
Outstanding, January 1, 2010	326
Granted(2)	210		$	63.52
Released	(75	)			$	4,965
Forfeited	(12	)
Outstanding, June 30, 2010	449
Outstanding, January 1, 2011	588
Granted(2)	255		$	56.64
Released	(192	)			$	15,007
Forfeited	(5	)
Outstanding, June 30, 2011	646
Expected to vest, June 30, 2011	545				$	26,268

⁽¹⁾  The aggregate intrinsic value is the market value of the stock, before applicable income taxes, based on the closing price on the stock release dates or at the end of the period for restricted stock units expected to vest.

⁽²⁾  These restricted stock units do not include the respective 2010 and 2011 awards under the Performance Awards Agreement, which are not eligible for vesting as of June 30 of each respective year.

Nonrestricted Stock Awards Activity [Table Text Block]

The following table summarizes unrestricted stock award activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of unrestricted stock issued	276		192		3,453		2,766
Weighted average grant date fair value	$	54.17	$	77.69	$	54.96	$	68.49

Employee Stock Purchase Plan (ESPP) Activity [Table Text Block]

The following table summarizes ESPP activity for the three and six months ended June 30:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Shares of stock sold to employees(1)	25,567		10,736		42,625		23,086
Weighted average fair value per ESPP award(2)	$	7.22	$	9.27	$	7.88	$	9.95

⁽¹⁾  Stock sold to employees during each fiscal quarter under the ESPP is associated with the offering period ending on the last day of the previous fiscal quarter.

⁽²⁾  Relating to awards associated with the offering period during the three and six months ended June 30.

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Segment Information (Text Block)

6 Months Ended

Jun. 30, 2011

Segment Information [Abstract]

Segment Information [Text Block]

Segment Information

We have two operating segments: Itron North America and Itron International. Itron North America generates the majority of its revenues in the United States and Canada, while Itron International generates the majority of its revenues in Europe, and the balance in Africa, Latin America, and Asia/Pacific.

On March 14, 2011, we announced a global reorganization in which the Company will be managed under two operating segments, Energy and Water. Although certain management positions of the Company’s two new operating segments have been identified, a transition to the new organizational structure, including changes to operations and financial and operational management systems will continue through the remainder of 2011. Throughout 2011, management and external financial reporting will be based on the current geographic operating segments, Itron North America and Itron International, as the new segment information will not be available until changes to the operations have occurred and new systems and processes are deployed. Financial reporting of the Energy and Water operating segments is expected in the first quarter of 2012.

We have three measures of segment performance: revenue, gross profit (margin), and operating income (margin). Intersegment revenues were minimal. Corporate operating expenses, interest income, interest expense, other income (expense), and income tax provision (benefit) are not allocated to the segments, nor included in the measure of segment profit or loss.

Segment Products

Itron North America

Standard electricity (electronic), gas, and water meters; advanced and smart electricity and water meters and communication modules; advanced and smart gas communication modules; advanced systems including handheld, mobile, and fixed network collection technologies; smart network technologies; meter data management software; knowledge application solutions; and professional services including implementation, installation, consulting, and analysis.

Itron International

Standard electricity (electromechanical and electronic), gas, and water meters; advanced electricity, gas, and water meters; advanced water communication modules; smart electricity meters and communication modules; prepayment systems, including smart key, keypad, and smart card communication technologies; advanced systems including handheld, mobile, and fixed network collection technologies; smart network technologies; meter data management software; knowledge application solutions; and professional services including implementation, installation, consulting/analysis, and system management.

Revenues, gross profit, and operating income associated with our segments were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Revenues
Itron North America	$	288,224		$	301,143		$	565,206		$	542,702
Itron International	324,177			266,196			610,886			522,260
Total Company	$	612,401		$	567,339		$	1,176,092		$	1,064,962
Gross profit
Itron North America	$	96,958		$	100,972		$	191,680		$	179,131
Itron International	94,125			73,084			183,513			151,989
Total Company	$	191,083		$	174,056		$	375,193		$	331,120
Operating income (loss)
Itron North America	$	42,739		$	55,384		$	86,532		$	87,420
Itron International	16,483			5,017			32,711			15,454
Corporate unallocated	(11,137		)	(10,392		)	(21,069		)	(21,246		)
Total Company	48,085			50,009			98,174			81,628
Total other income (expense)	(13,729		)	(14,279		)	(27,131		)	(29,627		)
Income before income taxes	$	34,356		$	35,730		$	71,043		$	52,001

No single customer represented more than 10% of total Company revenues for the three and six months ended June 30, 2011, while one customer represented more than 10% of total Company revenues during the same periods in 2010. Two customers each accounted for more than 10% of Itron North America revenues for the three and six months ended June 30, 2011, while three customers each accounted for more than 10% of Itron North America revenues for the same periods in 2010. No single customer represented more than 10% of Itron International revenues for the three and six months ended June 30, 2011 and 2010.

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
United States and Canada	$	285,931	$	299,502	$	560,393	$	538,502
Europe	228,354		192,864		431,185		388,348
Other	98,116		74,973		184,514		138,112
Total revenues	$	612,401	$	567,339	$	1,176,092	$	1,064,962

Depreciation and amortization expense associated with our segments was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Itron North America	$	11,176	$	11,441	$	22,347	$	22,728
Itron International	21,591		20,352		41,950		42,342
Corporate Unallocated	1		—		2		1
Total Company	$	32,768	$	31,793	$	64,299	$	65,071

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Intangible Assets Gross Carrying Amount and Accumulated Amortization (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Finite-Lived Intangible Assets [Line Items]
Gross Assets	$ 802,048	$ 759,152	$ 728,101	$ 806,256
Accumulated Amortization	(509,118)	(467,482)
Net	292,930	291,670
Core Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Assets	406,570	378,705
Accumulated Amortization	(302,669)	(274,198)
Net	103,901	104,507
Customer Contracts And Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Assets	307,223	282,997
Accumulated Amortization	(131,606)	(110,539)
Net	175,617	172,458
Trade Marks And Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Assets	77,078	73,194
Accumulated Amortization	(64,196)	(59,235)
Net	12,882	13,959
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Assets	11,177	24,256
Accumulated Amortization	(10,647)	(23,510)
Net	$ 530	$ 746

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Income Taxes Effective Tax Rates, Net Interest and Penalties Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
US Federal Effective Tax Rate			35.00%
Effective Income Tax Rate, Continuing Operations	(0.20%)	29.00%	13.00%	3.00%
Net interest and penalties expense (benefit)	$ 113	$ (502)	$ 108	$ 296

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Stock-Based Compensation Stock-Based Compensation Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2011 years		Jun. 30, 2010
Maximum [Member] | Long Term Performance Restricted Stock Award [Member]
[Line Items]
Maximum number of RSUs that may become eligible for vesting related to performance awards granted in the year	150,000
Stock Incentive Plan [Member]
[Line Items]
Number of shares authorized for issuance under the Stock Incentive Plan	3,500,000
Number of shares available for future grant under the Stock Incentive Plan	2,178,243
Employee Stock Option [Member]
[Line Items]
Award vesting rights	Options generally become exercisable in three equal annual installments beginning one year from the date of grant
Unrecognized compensation expense	$ 2.4
Unrecognized compensation expense, Expected weighted average period for recognition	1.1
Stock Options Expiration Period	10
Restricted Stock Units (RSUs) [Member]
[Line Items]
Award vesting rights	Restricted stock units generally vest over a three year period.
Unrecognized compensation expense	$ 26.0
Unrecognized compensation expense, Expected weighted average period for recognition	2.2
Granted, Weighted Average Grant Date Fair Value	$ 56.64	[1]	$ 63.52	[1]
Long Term Performance Restricted Stock Award [Member]
[Line Items]
Granted, Weighted Average Grant Date Fair Value	$ 56.75
Employee Stock [Member]
[Line Items]
ESPP, percentage discount from market price on purchase date	15.00%
ESPP, maximum percentage of employee salary eligible for participation	10.00%
Shares available for future issuance under the ESPP	154,000

[1] These restricted stock units do not include the respective 2010 and 2011 awards under the Performance Awards Agreement, which are not eligible for vesting as of June 30 of each respective year.

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Commitments and Contingencies Incurred But Not Reported Health Benefit Cost Accrual (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
IBNR Accrual	$ 2,386	$ 2,056

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Debt Carrying Amount of Debt and Equity Components (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Debt Instrument [Line Items]
Fair value of convertible notes	$ 223,604	$ 223,604
Unamortized discount	0	(5,336)
Net carrying amount of debt component	223,604	218,268
Carrying amount of equity component	$ 31,831	$ 31,831

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Derivative Financial Instruments (Text Block)

6 Months Ended

Jun. 30, 2011

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Derivative Financial Instruments [Text Block]

Derivative Financial Instruments

As part of our risk management strategy, we use derivative instruments to hedge certain foreign currency and interest rate exposures. Refer to Note 1, Note 12, and Note 13 for additional disclosures on our derivative instruments.

The fair values of our derivative instruments are determined using the income approach and significant other observable inputs (also known as “Level 2”), as defined by FASB Accounting Standards Codification (ASC) 820-10-20, Fair Value Measurements. We have used observable market inputs based on the type of derivative and the nature of the underlying instrument. The key inputs used at June 30, 2011 included interest rate yield curves (swap rates and futures) and foreign exchange spot and forward rates, all of which are available in an active market. We have utilized the mid-market pricing convention for these inputs at June 30, 2011. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments is in a net asset position. We consider our own nonperformance risk when the net fair value of our derivative instruments is in a net liability position by discounting our derivative liabilities to reflect the potential credit risk to our counterparty through applying a current market indicative credit spread to all cash flows.

The fair values of our derivative instruments determined using the fair value measurement of significant other observable inputs (Level 2) at June 30, 2011 and December 31, 2010 are as follows:

		Fair Value
	Balance Sheet Location	June 30, 2011		December 31, 2010
		(in thousands)
Asset Derivatives
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current assets	$	171	$	63
Liability Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other current liabilities	$	2,395	$	5,845
Interest rate swap contracts	Other long-term obligations	182		975
Euro denominated term loan *	Current portion of debt	4,794		4,402
Euro denominated term loan *	Long-term debt	146,556		169,629
Total derivatives designated as hedging instruments under ASC 815-20		$	153,927	$	180,851
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current liabilities	$	200	$	457
Total liability derivatives		$	154,127	$	181,308

* The euro denominated term loan is a nonderivative financial instrument designated as a hedge of our net investment in international operations. It is recorded at its carrying value in the Consolidated Balance Sheets and is not recorded at fair value.

OCI during the reporting period for our derivative and nonderivative instruments designated as hedging instruments (collectively, hedging instruments), net of tax, was as follows:

	2011			2010
	(in thousands)
Net unrealized loss on hedging instruments at January 1,	$	(10,034	)	$	(30,300	)
Unrealized gain (loss) on derivative instruments	(164		)	(2,542		)
Unrealized gain (loss) on a nonderivative net investment hedging instrument	(9,262		)	24,352
Realized (gains) losses reclassified into net income (loss)	2,774			4,197
Net unrealized loss on hedging instruments at June 30,	$	(16,686	)	$	(4,293	)

Cash Flow Hedges

We are exposed to interest rate risk through our credit facility. We enter into swaps to achieve a fixed rate of interest on the hedged portion of debt in order to increase our ability to forecast interest expense. The objective of these swaps is to protect us from increases in the LIBOR base borrowing rates on our floating rate credit facility. The swaps do not protect us from changes to the applicable margin under our credit facility.

In 2007, we entered into a pay fixed 6.59% receive three-month Euro Interbank Offered Rate (EURIBOR), plus 2%, amortizing interest rate swap to convert a significant portion of our euro denominated variable-rate term loan to fixed-rate debt, plus or minus the variance in the applicable margin from 2%, through December 31, 2012. The cash flow hedge is currently, and is expected to be, highly effective in achieving offsetting cash flows attributable to the hedged risk through the term of the hedge. Consequently, effective changes in the fair value of the interest rate swap are recorded as a component of OCI and are recognized in earnings when the hedged item affects earnings. The amounts paid or received on the hedge are recognized as adjustments to interest expense. The notional amount of the swap is reduced each quarter and was $115.6 million (€80.8 million) and $147.7 million (€112.4 million) as of June 30, 2011 and December 31, 2010, respectively. The amount of net losses expected to be reclassified into earnings in the next 12 months is approximately $2.2 million (€1.5 million), which was based on the Reuters euro swap yield curve as of June 30, 2011.

Our two one-year pay-fixed receive one-month LIBOR interest rate swaps, which each converted $100 million of our U.S. dollar term loan from a floating LIBOR interest rate to fixed interest rates of 2.11% and 2.15%, respectively, expired on June 30, 2011. These swaps did not include the additional interest rate margin applicable to our term debt.

We will continue to monitor and assess our interest rate risk and may institute additional interest rate swaps or other derivative instruments to manage such risk in the future.

The before tax effect of our cash flow derivative instruments on the Consolidated Balance Sheets and the Consolidated Statements of Operations for the three and six months ended June 30 are as follows:

Derivatives in ASC 815-20 Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in OCI on Derivative  (Effective Portion)						Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)							Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)
							Location	Amount						Location	Amount
	2011			2010				2011			2010				2011			2010
	(in thousands)							(in thousands)							(in thousands)
Three Months Ended June 30,
Interest rate swap contracts	$	(2,149	)	$	(839	)	Interest expense	$	(1,788	)	$	(3,238	)	Interest expense	$	(31	)	$	(14	)
Six Months Ended June 30,
Interest rate swap contracts	$	(4,477	)	$	(4,122	)	Interest expense	$	(4,171	)	$	(6,810	)	Interest expense	$	(80	)	$	(74	)

Net Investment Hedge

We are exposed to foreign exchange risk through our international subsidiaries. As a result of our acquisition of an international company in 2007, we entered into a euro denominated term loan, which exposes us to fluctuations in the euro foreign exchange rate. Therefore, we have designated this foreign currency denominated term loan as a hedge of our net investment in international operations. The non-functional currency term loan is revalued into U.S. dollars at each balance sheet date, and the changes in value associated with currency fluctuations are recorded as adjustments to long-term debt with offsetting gains and losses recorded in OCI. The notional amount of the term loan declines each quarter due to repayments and was $151.4 million (€105.8 million) and $174.0 million (€132.4 million) as of June 30, 2011 and December 31, 2010, respectively. We had no hedge ineffectiveness.

The before tax and net of tax effects of our net investment hedge nonderivative financial instrument on OCI for the three and six months ended June 30 are as follows:

Nonderivative Financial Instruments in ASC 815-20 Net Investment Hedging Relationships	Euro Denominated Term Loan Designated as a Hedge of Our  Net Investment in International Operations
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Gain (loss) recognized in OCI on derivative (Effective Portion)
Before tax	$	(2,343	)	$	20,943	$	(14,923	)	$	39,498
Net of tax	$	(1,452	)	$	12,908	$	(9,262	)	$	24,352

Derivatives Not Designated as Hedging Relationships

We are also exposed to foreign exchange risk when we enter into non-functional currency transactions, both intercompany and third-party. At each period-end, foreign currency monetary assets and liabilities are revalued with the change recorded to other income and expense. We enter into monthly foreign exchange forward contracts (a total of 257 contracts were entered into during the six months ended June 30, 2011), not designated for hedge accounting, with the intent to reduce earnings volatility associated with certain of these balances. The notional amounts of the contracts ranged from $50,000 to $72 million, offsetting our exposures from the euro, British pound, Canadian dollar, Czech koruna, Hungarian forint, and various other currencies.

The effect of our foreign exchange forward derivative instruments on the Consolidated Statements of Operations for the three and six months ended June 30 is as follows:

Derivatives Not Designated as Hedging Instrument under ASC 815-20	Gain (Loss) Recognized on Derivatives in Other Income (Expense)
	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
	(in thousands)
Foreign exchange forward contracts	$	(1,259	)	$	3,316	$	(3,341	)	$	3,047

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Commitments and Contingencies Warranty Account Activity (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
WarrantiesActivity [Line Items]
Beginning balance	$ 59,163	$ 33,353	$ 51,283	$ 33,873
New product warranties	2,196	3,221	4,079	6,017
Other changes/adjustments to warranties	5,631	14,366	14,643	15,596
Reclassificaiton from other current liabilities	0	2,687	0	2,878
Claims activity	(4,768)	(3,317)	(9,215)	(7,063)
Effect of change in exchange rates	616	(786)	2,048	(1,777)
Ending balance, June 30	62,838	49,524	62,838	49,524
Less: current portion of warranty	29,999	26,250	29,999	26,250	24,912
Long-term warranty	$ 32,839	$ 23,274	$ 32,839	$ 23,274	$ 26,371

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2011

Accounting Policies [Abstract]

Basis of Consolidation [Policy Text Block]

Basis of Consolidation

We consolidate all entities in which we have a greater than 50% ownership interest or in which we exercise control over the operations. We use the equity method of accounting for entities in which we have a 50% or less investment and exercise significant influence. Entities in which we have less than a 20% investment and where we do not exercise significant influence are accounted for under the cost method. Variable interest entities of which we are the primary beneficiary are consolidated. At June 30, 2011, our investments in variable interest entities and noncontrolling interests were not material. Intercompany transactions and balances have been eliminated upon consolidation.

Cash and Cash Equivalents [Policy Text Block]

Cash and Cash Equivalents

We consider all highly liquid instruments with remaining maturities of three months or less at the date of acquisition to be cash equivalents.

Accounts Receivable and Allowance for Doubtful Accounts [Policy Text Block]

Accounts Receivable and Allowance for Doubtful Accounts

Accounts receivable are recorded for invoices issued to customers in accordance with our contractual arrangements. Interest and late payment fees are minimal. Unbilled receivables are recorded when revenues are recognized upon product shipment or service delivery and invoicing occurs at a later date. We record an allowance for doubtful accounts representing our estimate of the probable losses in accounts receivable at the date of the balance sheet based on our historical experience of bad debts and our specific review of outstanding receivables. Accounts receivable are written-off against the allowance when we believe an account, or a portion thereof, is no longer collectible.

Inventories [Policy Text Block]

Inventories

Inventories are stated at the lower of cost or market using the first-in, first-out method. Cost includes raw materials and labor, plus applied direct and indirect costs.

Derivative Instruments [Policy Text Block]

Derivative Instruments

All derivative instruments, whether designated in hedging relationships or not, are recorded on the Consolidated Balance Sheets at fair value as either assets or liabilities. The components and fair values of our derivative instruments, which are primarily interest rate swaps, are determined using the fair value measurements of significant other observable inputs (Level 2), as defined by GAAP. The net fair value of our derivative instruments may switch between a net asset and a net liability depending on market circumstances at the end of the period. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments are in a net asset position and the effect of our own nonperformance risk when the net fair value of our derivative instruments are in a net liability position.

For any derivative designated as a fair value hedge, the changes in the fair value of the derivative and of the hedged item attributable to the hedged risk are recognized in earnings. For any derivative designated as a cash flow hedge, the effective portions of changes in the fair value of the derivative are recorded as a component of other comprehensive income (OCI) and are recognized in earnings when the hedged item affects earnings. For our hedge of a net investment, the effective portion of any unrealized gain or loss from the foreign currency revaluation of the hedging instrument is reported in OCI as a net unrealized gain or loss on derivative instruments. Ineffective portions of fair value changes or the changes in fair value of derivative instruments that do not qualify for hedging activities are recognized in other income (expense) in the Consolidated Statements of Operations. We classify cash flows from our derivative programs as cash flows from operating activities in the Consolidated Statements of Cash Flows.

Derivatives are not used for trading or speculative purposes. Our derivatives are with major international financial institutions, with whom we have master netting agreements; however, our derivative positions are not disclosed on a net basis. There are no credit-risk-related contingent features within our derivative instruments. Refer to Note 7 and Note 12 for further disclosures of our derivative instruments and their impact on OCI.

Property, Plant, and Equipment [Policy Text Block]

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the assets, generally thirty years for buildings and improvements and three to 10 years for machinery and equipment, computers and purchased software, and furniture. Leasehold improvements are capitalized and amortized over the term of the applicable lease, including renewable periods if reasonably assured, or over the useful lives, whichever is shorter. Construction in process represents capital expenditures incurred for assets not yet placed in service. Costs related to internally developed software and software purchased for internal uses are capitalized and are amortized over the estimated useful lives of the assets. Repair and maintenance costs are expensed as incurred. We have no major planned maintenance activities.

We review long-lived assets for impairment whenever events or circumstances indicate the carrying amount of an asset or asset group may not be recoverable. We have had no significant impairments of long-lived assets. Assets held for sale are classified within other current assets in the Consolidated Balance Sheets, are reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. We had no assets held for sale at June 30, 2011 and December 31, 2010. Gains and losses from asset disposals and impairment losses are classified within the statement of operations according to the use of the asset.

Prepaid Debt Fees [Policy Text Block]

Prepaid Debt Fees

Prepaid debt fees represent the capitalized direct costs incurred related to the issuance of debt and are recorded as noncurrent assets. These costs are amortized to interest expense over the lives of the respective borrowings, including contingent maturity or call features, using the effective interest method, or straight-line method when associated with a revolving credit facility. When debt is repaid early, the related portion of unamortized prepaid debt fees is written-off and included in interest expense.

Business Combinations [Policy Text Block]

Business Combinations

On the date of acquisition, the assets acquired, liabilities assumed, and any noncontrolling interests in the acquiree are recorded at their fair values. The acquiree results of operations are also included as of the date of acquisition in our consolidated results. Intangible assets that arise from contractual/legal rights, or are capable of being separated, as well as in-process research and development, are measured and recorded at fair value, and amortized over the estimated useful life. If practicable, assets acquired and liabilities assumed arising from contingencies are measured and recorded at fair value. If not practicable, such assets and liabilities are measured and recorded when it is probable that a gain or loss has occurred and the amount can be reasonably estimated. The residual balance of the purchase price, after fair value allocations to all identified assets and liabilities, represents goodwill. Acquisition-related costs are expensed as incurred. Restructuring costs are generally expensed in periods subsequent to the acquisition date, and changes in deferred tax asset valuation allowances and acquired income tax uncertainties, including penalties and interest, after the measurement period are recognized as a component of the provision for income taxes.

Goodwill and Intangible Assets [Policy Text Block]

Goodwill and Intangible Assets

Goodwill and intangible assets have resulted from our acquisitions. We use estimates in determining and assigning the fair value of goodwill and intangible assets at acquisition, including estimates of useful lives of intangible assets, the amount and timing of related future cash flows, and fair values of the related operations. Our intangible assets have finite lives, are amortized over their estimated useful lives based on estimated discounted cash flows, and are tested for impairment when events or changes in circumstances indicate the carrying value may not be recoverable.

Goodwill is assigned to our reporting units based on the expected benefit from the synergies arising from each business combination, determined by using certain financial metrics, including the forecasted discounted cash flows associated with each reporting unit. Goodwill is tested for impairment as of October 1 of each year, or more frequently if a significant impairment indicator occurs. Determining the fair value of a reporting unit is judgmental in nature and involves the use of significant estimates and assumptions. We forecast discounted future cash flows at the reporting unit level using risk-adjusted discount rates and estimated future revenues and operating costs, which take into consideration factors such as existing backlog, expected future orders, supplier contracts, and expectations of competitive and economic environments. We also identify similar publicly traded companies and develop a correlation, referred to as a multiple, to apply to the operating results of our reporting units.

Contingencies [Policy Text Block]

Contingencies

A loss contingency is recorded if it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. We evaluate, among other factors, the degree of probability of an unfavorable outcome and our ability to make a reasonable estimate of the amount of the ultimate loss. Loss contingencies that we determine to be reasonably possible, but not probable, are disclosed. Changes in these factors and related estimates could materially affect our financial position and results of operations.

Bonus and Profit Sharing [Policy Text Block]

Bonus and Profit Sharing

We have various employee bonus and profit sharing plans, which provide award amounts for the achievement of annual financial and nonfinancial targets. If management determines it is probable that the targets will be achieved, and the amounts can be reasonably estimated, a compensation accrual is recorded based on the proportional achievement of the financial and nonfinancial targets. Although we monitor and accrue expenses quarterly based on our progress toward the achievement of the annual targets, the actual results at the end of the year may require awards that are significantly greater or less than the estimates made in earlier quarters.

Warranty [Policy Text Block]

Warranty

We offer standard warranties on our hardware products and large application software products. We accrue the estimated cost of warranty claims based on historical and projected product performance trends and costs. Testing of new products in the development stage helps identify and correct potential warranty issues prior to manufacturing. Continuing quality control efforts during manufacturing reduce our exposure to warranty claims. If our quality control efforts fail to detect a fault in one of our products, we could experience an increase in warranty claims. We track warranty claims to identify potential warranty trends. If an unusual trend is noted, an additional warranty accrual may be assessed and recorded when a failure event is probable and the cost can be reasonably estimated. Management continually evaluates the sufficiency of the warranty provisions and makes adjustments when necessary. The warranty allowances may fluctuate due to changes in estimates for material, labor, and other costs we may incur to repair or replace projected product failures, and we may incur additional warranty and related expenses in the future with respect to new or established products, which could adversely affect our financial position and results of operations. The long-term warranty balance includes estimated warranty claims beyond one year. Warranty expense is classified within cost of revenues.

Defined Benefit Pension Plans [Policy Text Block]

Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees. We recognize a liability for the projected benefit obligation in excess of plan assets or an asset for plan assets in excess of the projected benefit obligation. We also recognize the funded status of our defined benefit pension plans on our Consolidated Balance Sheets and recognize as a component of OCI, net of tax, the actuarial gains or losses and prior service costs or credits, if any, that arise during the period but that are not recognized as components of net periodic benefit cost.

Revenue Recognition [Policy Text Block]

Revenue Recognition

Revenues consist primarily of hardware sales, software license fees, software implementation, project management services, installation, consulting, and post-sale maintenance support. Revenues are recognized when (1) persuasive evidence of an arrangement exists, (2) delivery has occurred or services have been rendered, (3) the sales price is fixed or determinable, and (4) collectability is reasonably assured.

The majority of our revenue arrangements involve multiple deliverables, which combine two or more of the following: hardware, meter reading system software, installation, and/or project management services. Revenue arrangements with multiple deliverables are divided into separate units of accounting if the delivered item(s) has value to the customer on a standalone basis and delivery/performance of the undelivered item(s) is probable. The total arrangement consideration is allocated among the separate units of accounting based on their relative fair values and the applicable revenue recognition criteria considered for each unit of accounting. The amount allocable to a delivered item is limited to the amount that we are entitled to collect and that is not contingent upon the delivery/performance of additional items. Revenues for each deliverable are then recognized based on the type of deliverable, such as 1) when the products are shipped, 2) services are delivered, 3) percentage-of-completion when implementation services are essential to other deliverables in the arrangements, 4) upon receipt of customer acceptance, or 5) transfer of title. The majority of our revenue is recognized when products are shipped to or received by a customer or when services are provided.

We primarily enter into two types of multiple deliverable arrangements, which include a combination of hardware and associated software and services:

• Arrangements that do not include the deployment of our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ If implementation services are essential to the functionality of the associated software, software and implementation revenues are recognized using either the percentage-of-completion methodology of contract accounting if project costs can be estimated, or the completed contract methodology if project costs cannot be reliably estimated.

• Arrangements to deploy our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ Revenue from associated software and services is recognized using the units-of-delivery method of contract accounting, as the software is essential to the functionality of the related hardware and the implementation services are essential to the functionality of the associated software. This methodology often results in the deferral of costs and revenues as professional services and software implementation typically commence prior to deployment of hardware.

We also enter into multiple deliverable software arrangements that do not include hardware. For this type of arrangement, revenue recognition is dependent upon the availability of vendor specific objective evidence (VSOE) of fair value for each of the deliverables. The lack of VSOE, or the existence of extended payment terms or other inherent risks, may affect the timing of revenue recognition for software arrangements.

Certain of our revenue arrangements include an extended or noncustomary warranty provision which covers all or a portion of a customer’s replacement or repair costs beyond the standard or customary warranty period. Whether or not the extended warranty is separately priced in the arrangement, a portion of the arrangement’s total consideration is allocated to this extended warranty deliverable. This revenue is deferred and recognized over the extended warranty coverage period. Extended or noncustomary warranties do not represent a significant portion of our revenue.

We allocate consideration to each deliverable in an arrangement based on its relative selling price. We determine selling price using VSOE, if it exists, otherwise we use third-party evidence (TPE). If neither VSOE nor TPE of selling price exists for a unit of accounting, we use estimated selling price (ESP).

VSOE is generally limited to the price charged when the same or similar product is sold separately or, if applicable, the stated renewal rate in the agreement. If a product or service is seldom sold separately, it is unlikely that we can determine VSOE for the product or service. We define VSOE as a median price of recent standalone transactions that are priced within a narrow range. TPE is determined based on the prices charged by our competitors for a similar deliverable when sold separately.

If we are unable to establish selling price using VSOE or TPE, we use ESP in the allocation of arrangement consideration. The objective of ESP is to determine the price at which we would transact if the product or service were regularly sold by us on a standalone basis. Our determination of ESP involves a weighting of several factors based on the specific facts and circumstances of the arrangement. Specifically, we consider the cost to produce the deliverable, the anticipated margin on that deliverable, the selling price and profit margin for similar parts, our ongoing pricing strategy and policies (as evident in the price list established and updated by management on a regular basis), the value of any enhancements that have been built into the deliverable, and the characteristics of the varying markets in which the deliverable is sold. We analyze the selling prices used in our allocation of arrangement consideration on an annual basis. Selling prices are analyzed on a more frequent basis if we experience significant variances in our selling prices or if a significant change in our business necessitates a more timely analysis.

Unearned revenue is recorded when a customer pays for products or services, but the criteria for revenue recognition have not been met as of the balance sheet date. Unearned revenues of $68.7 million and $42.8 million at June 30, 2011 and December 31, 2010 related primarily to professional services and software associated with our smart metering contracts, extended or noncustomary warranty, and prepaid post-contract support. Deferred cost is recorded for products or services for which ownership (typically defined as title and risk of loss) has transferred to the customer, but the criteria for revenue recognition have not been met as of the balance sheet date. Deferred costs were $16.6 million and $10.0 million at June 30, 2011 and December 31, 2010 and are recorded within other assets in the Consolidated Balance Sheets.

Hardware and software post-sale maintenance support fees are recognized ratably over the life of the related service contract. Shipping and handling costs and incidental expenses billed to customers are recorded as revenue, with the associated cost charged to cost of revenues. We record sales, use, and value added taxes billed to our customers on a net basis.

Product and Software Development Costs [Policy Text Block]

Product and Software Development Costs

Product and software development costs primarily include employee compensation and third party contracting fees. For software we develop to be marketed or sold, we capitalize development costs after technological feasibility is established. Due to the relatively short period of time between technological feasibility and the completion of product and software development, and the immaterial nature of these costs, we generally do not capitalize product and software development expenses.

Stock-based Compensation [Policy Text Block]

Stock-Based Compensation

We measure and recognize compensation expense for all stock-based awards made to employees and directors, including stock options, stock sold pursuant to our Employee Stock Purchase Plan (ESPP), and the issuance of restricted stock units and unrestricted stock awards, based on estimated fair values. The fair value of stock options is estimated at the date of grant using the Black-Scholes option-pricing model, which includes assumptions for the dividend yield, expected volatility, risk-free interest rate, and expected life. For ESPP awards, the fair value is the difference between the market close price of our common stock on the date of purchase and the discounted purchase price. For restricted stock units and unrestricted stock awards, the fair value is the market close price of our common stock on the date of grant. We expense stock-based compensation at the date of grant for unrestricted stock awards. For awards with only a service condition, we expense stock-based compensation, adjusted for estimated forfeitures, using the straight-line method over the requisite service period for the entire award. For awards with both performance and service conditions, we expense the stock-based compensation, adjusted for estimated forfeitures, on a straight-line basis over the requisite service period for each separately vesting portion of the award. Excess tax benefits are credited to common stock when the deduction reduces cash taxes payable. When we have tax deductions in excess of the compensation cost, they are classified as financing cash inflows in the Consolidated Statements of Cash Flows.

Loss on Extinguishment of Debt, Net [Policy Text Block]

Loss on Extinguishment of Debt, Net

Upon partial or full redemption of our borrowings, we recognize a gain or loss for the difference between the cash paid and the net carrying amount of the debt redeemed. Included in the net carrying amount is any unamortized premium or discount from the original issuance of the debt. Due to the particular characteristics of our convertible notes, we recognize a gain or loss upon conversion or derecognition for the difference between the net carrying amount of the liability component (including any unamortized discount and debt issuance costs) and the fair value of the consideration transferred to the holder that is allocated to the liability component, which is equal to the fair value of the liability component immediately prior to extinguishment. In the case of an induced conversion, a loss is recognized for the amount of the fair value of the securities or other consideration transferred to the holder in excess of fair value of the consideration issuable in accordance with the original conversion terms of the debt.

Income Taxes [Policy Text Block]

Income Taxes

We compute our interim income tax provision through the use of an estimated annual effective tax rate (ETR) applied to year-to-date operating results and specific events that are discretely recognized as they occur. In determining the estimated annual ETR, we analyze various factors, including projections of our annual earnings, taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carryforwards, and available tax planning alternatives. Discrete items, including the effect of changes in tax laws, tax rates, and certain circumstances with respect to valuation allowances or other unusual or non-recurring tax adjustments, are reflected in the period in which they occur as an addition to, or reduction from, the income tax provision, rather than included in the estimated annual ETR.

Deferred tax assets and liabilities are recognized based upon anticipated future tax consequences, in each of the jurisdictions in which we operate, attributable to: (1) the differences between the financial statement carrying amounts of existing assets and liabilities and their respective income tax bases; and (2) operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The calculation of our tax liabilities involves applying complex tax regulations in different tax jurisdictions to our tax positions. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is not more likely than not that such assets will be realized. We do not record tax liabilities on undistributed earnings of international subsidiaries that are permanently reinvested.

A tax position is first evaluated for recognition based on its technical merits. Tax positions that have a greater than fifty percent likelihood of being realized upon ultimate settlement are then measured to determine amounts to be recognized in the financial statements. This measurement incorporates information about potential settlements with taxing authorities. A previously recognized tax position is derecognized in the first period in which the position no longer meets the more-likely-than-not recognition threshold. We classify interest expense and penalties related to uncertain tax positions and interest income on tax overpayments as part of income tax expense

Foreign Exchange [Policy Text Block]

Foreign Exchange

Our consolidated financial statements are reported in U.S. dollars. Assets and liabilities of international subsidiaries with a non-U.S. dollar functional currency are translated to U.S. dollars at the exchange rates in effect on the balance sheet date, or the last business day of the period, if applicable. Revenues and expenses for these subsidiaries are translated to U.S. dollars using a weighted average rate for the relevant reporting period. Translation adjustments resulting from this process are included, net of tax, in OCI. Gains and losses that arise from exchange rate fluctuations for monetary asset and liability balances that are not denominated in an entity’s functional currency are included within other income (expense), net in the Consolidated Statements of Operations. Currency gains and losses of intercompany balances deemed to be long-term in nature or designated as a hedge of the net investment in international subsidiaries are included, net of tax, in OCI

Fair Value Measurement [Policy Text Block]

Fair Value Measurements

For assets and liabilities measured at fair value, the GAAP fair value hierarchy prioritizes the inputs used in different valuation methodologies, assigning the highest priority to unadjusted quoted prices for identical assets and liabilities in actively traded markets (Level 1) and the lowest priority to unobservable inputs (Level 3). Level 2 inputs consist of quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in non-active markets; and model-derived valuations in which significant inputs are corroborated by observable market data either directly or indirectly through correlation or other means (inputs may include yield curves, volatility, credit risks, and default rates). We hold no assets or liabilities measured using Level 1 fair value inputs

Use of Estimates [Policy Text Block]

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Due to various factors affecting future costs and operations, actual results could differ materially from these estimates

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Derivative Financial Instruments Derivative Financial Instruments Narrative (Details)	6 Months Ended
	Jun. 30, 2011 contracts customers	Jun. 30, 2011 Euro Term Loan Interest Rate Swap [Member] USD ($)	Jun. 30, 2011 Euro Term Loan Interest Rate Swap [Member] EUR (€)	Dec. 31, 2010 Euro Term Loan Interest Rate Swap [Member] USD ($)	Dec. 31, 2010 Euro Term Loan Interest Rate Swap [Member] EUR (€)	Jun. 30, 2011 USD Term Loan Interest Rate Swap June 2011 A [Member] USD ($)	Jun. 30, 2011 USD Term Loan Interest Rate Swap June 2011 B [Member] USD ($)	Jun. 30, 2011 Minimum [Member] USD ($)	Jun. 30, 2011 Maximum [Member] USD ($)	Jun. 30, 2011 EUR Denominated Term Loan [Member] EUR (€)	Jun. 30, 2011 EUR Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 EUR Denominated Term Loan [Member] EUR (€)	Dec. 31, 2010 EUR Denominated Term Loan [Member] USD ($)
Number of USD Term Loan Interest Rate Derivatives Expired	2
Pay fixed interest rate in interst rate swap		6.59%	6.59%			2.11%	2.15%
Percentage rate above EURIBOR receive on interest rate swap		2.00%	2.00%
Derivative, Description of Variable Rate Basis		Interbank Offered Rate (EURIBOR), plus 2%.	Interbank Offered Rate (EURIBOR), plus 2%.
Notional amount of interest rate swaps		$ 115,600,000	€ 80,800,000	$ 147,700,000	€ 112,400,000	$ 100,000,000	$ 100,000,000
Interest rate swap gain (loss) to be reclassified into income within twelve months		2,200,000	1,500,000
Notional amount of Euro denominated term loan										105,800,000	151,350,000	132,400,000	174,031,000
Number of foreign exchange forward contracts entered into YTD	257
Notional amount of foreign currency forward contracts								$ 50,000	$ 72,000,000

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Debt Credit Facility Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 EUR Denominated Term Loan [Member] EUR (€)	Jun. 30, 2011 EUR Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 EUR Denominated Term Loan [Member] EUR (€)	Dec. 31, 2010 EUR Denominated Term Loan [Member] USD ($)	Jun. 30, 2011 USD Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 USD Denominated Term Loan [Member] USD ($)	Jun. 30, 2011 Credit Facility [Member] USD ($)	Jan. 20, 2011 Credit Facility [Member] USD ($)	Dec. 31, 2010 Credit Facility [Member] USD ($)
Debt Instrument [Line Items]
Term loans					€ 105,800,000	$ 151,350,000	€ 132,400,000	$ 174,031,000	$ 200,616,000	$ 218,642,000
Additional interest rate margin	3.50%		3.50%
Debt instrument, interest rate, stated percentage					4.72%	4.72%			3.70%
Amortization of principal debt payments per year percentage			1.00%
Amortization of principal debt payments per quarter percentage			0.25%
Line of credit facility, maximum borrowing capacity												315,000,000	240,000,000
Prepaid debt fees noncurrent												379,000
Letters of credit outstanding, amount											40,000,000
Line of credit facility, amount outstanding	0		0
Line of credit facility, remaining borrowing capacity											275,000,000
Repayments of debt	$ 2,700,000	$ 21,100,000	$ 55,600,000	$ 73,900,000

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Summary of Significant Accounting Policies Revenue Recognition Policy Additional Information (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	$ 68.7	$ 42.8
Deferred Costs	$ 16.6	$ 10.0

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Derivative Financial Instruments Derivatives Not Designated as Hedging Relationships (Details) (Other Income (Expense) [Member], USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Income (Expense) [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign exchange option and forward contracts	$ (1,259)	$ 3,316	$ (3,341)	$ 3,047

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Defined Benefit Pension Plans Defined Benefit Pension Plans (Tables)

6 Months Ended

Jun. 30, 2011

Defined Benefit Pension Plans [Abstract]

Schedule of Amounts Recognized in the Consolidated Balance Sheets [Table Text Block]

Amounts recognized on the Consolidated Balance Sheets consist of:

	June 30, 2011			December 31, 2010
	(in thousands)
Plan assets in other long term assets	$	(468	)	$	(412	)
Current portion of pension plan liability in wages and benefits payable	2,910			2,656
Long-term portion of pension plan liability	69,675			61,450
Net pension plan benefit liability	$	72,117		$	63,694

Schedule of Net Periodic Pension Benefit Costs [Table Text Block]

Net periodic pension benefit costs for our plans include the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Service cost	$	601		475			$	1,218		$	1,000
Interest cost	969			844			1,886			1,750
Expected return on plan assets	(83		)	(71		)	(163		)	(148		)
Amortization of actuarial net loss (gain)	14			(6		)	28			(13		)
Amortization of unrecognized prior service costs	19			—			37			—
Net periodic benefit cost	$	1,520		$	1,242		$	3,006		$	2,589

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2011

Summary of Significant Accounting Policies [Abstract]

Significant Accounting Policies [Text Block]

Summary of Significant Accounting Policies

We were incorporated in the state of Washington in 1977. We provide a portfolio of products and services to utilities for the energy and water markets throughout the world.

Financial Statement Preparation

The condensed consolidated financial statements presented in this Quarterly Report on Form 10-Q are unaudited and reflect entries necessary for the fair presentation of the Consolidated Statements of Operations for the three and six months ended June 30, 2011 and 2010, the Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010, and the Consolidated Statements of Cash Flows for the six months ended June 30, 2011 and 2010 of Itron, Inc. and its subsidiaries. All entries required for the fair presentation of the financial statements are of a normal recurring nature, except as disclosed.

Certain information and notes normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (GAAP) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) regarding interim results. These condensed consolidated financial statements should be read in conjunction with the 2010 audited financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2010, as filed with the SEC on February 25, 2011. The results of operations for the three and six months ended June 30, 2011 are not necessarily indicative of the results expected for the full fiscal year or for any other fiscal period.

Basis of Consolidation

We consolidate all entities in which we have a greater than 50% ownership interest or in which we exercise control over the operations. We use the equity method of accounting for entities in which we have a 50% or less investment and exercise significant influence. Entities in which we have less than a 20% investment and where we do not exercise significant influence are accounted for under the cost method. Variable interest entities of which we are the primary beneficiary are consolidated. At June 30, 2011, our investments in variable interest entities and noncontrolling interests were not material. Intercompany transactions and balances have been eliminated upon consolidation.

Business Acquisition

On January 10, 2011, we completed the acquisition of Asais S.A.S. and Asais Conseil S.A.S. (collectively Asais), an energy information management software and consulting services provider, located in France. The acquisition consisted of cash and contingent consideration. The acquisition was immaterial to our financial position, results of operations, and cash flows. (See Business Combinations policy below.)

Cash and Cash Equivalents

We consider all highly liquid instruments with remaining maturities of three months or less at the date of acquisition to be cash equivalents.

Accounts Receivable and Allowance for Doubtful Accounts

Accounts receivable are recorded for invoices issued to customers in accordance with our contractual arrangements. Interest and late payment fees are minimal. Unbilled receivables are recorded when revenues are recognized upon product shipment or service delivery and invoicing occurs at a later date. We record an allowance for doubtful accounts representing our estimate of the probable losses in accounts receivable at the date of the balance sheet based on our historical experience of bad debts and our specific review of outstanding receivables. Accounts receivable are written-off against the allowance when we believe an account, or a portion thereof, is no longer collectible.

Inventories

Inventories are stated at the lower of cost or market using the first-in, first-out method. Cost includes raw materials and labor, plus applied direct and indirect costs.

Derivative Instruments

All derivative instruments, whether designated in hedging relationships or not, are recorded on the Consolidated Balance Sheets at fair value as either assets or liabilities. The components and fair values of our derivative instruments, which are primarily interest rate swaps, are determined using the fair value measurements of significant other observable inputs (Level 2), as defined by GAAP. The net fair value of our derivative instruments may switch between a net asset and a net liability depending on market circumstances at the end of the period. We include the effect of our counterparty credit risk based on current published credit default swap rates when the net fair value of our derivative instruments are in a net asset position and the effect of our own nonperformance risk when the net fair value of our derivative instruments are in a net liability position.

For any derivative designated as a fair value hedge, the changes in the fair value of the derivative and of the hedged item attributable to the hedged risk are recognized in earnings. For any derivative designated as a cash flow hedge, the effective portions of changes in the fair value of the derivative are recorded as a component of other comprehensive income (OCI) and are recognized in earnings when the hedged item affects earnings. For our hedge of a net investment, the effective portion of any unrealized gain or loss from the foreign currency revaluation of the hedging instrument is reported in OCI as a net unrealized gain or loss on derivative instruments. Ineffective portions of fair value changes or the changes in fair value of derivative instruments that do not qualify for hedging activities are recognized in other income (expense) in the Consolidated Statements of Operations. We classify cash flows from our derivative programs as cash flows from operating activities in the Consolidated Statements of Cash Flows.

Derivatives are not used for trading or speculative purposes. Our derivatives are with major international financial institutions, with whom we have master netting agreements; however, our derivative positions are not disclosed on a net basis. There are no credit-risk-related contingent features within our derivative instruments. Refer to Note 7 and Note 12 for further disclosures of our derivative instruments and their impact on OCI.

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the assets, generally thirty years for buildings and improvements and three to 10 years for machinery and equipment, computers and purchased software, and furniture. Leasehold improvements are capitalized and amortized over the term of the applicable lease, including renewable periods if reasonably assured, or over the useful lives, whichever is shorter. Construction in process represents capital expenditures incurred for assets not yet placed in service. Costs related to internally developed software and software purchased for internal uses are capitalized and are amortized over the estimated useful lives of the assets. Repair and maintenance costs are expensed as incurred. We have no major planned maintenance activities.

We review long-lived assets for impairment whenever events or circumstances indicate the carrying amount of an asset or asset group may not be recoverable. We have had no significant impairments of long-lived assets. Assets held for sale are classified within other current assets in the Consolidated Balance Sheets, are reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. We had no assets held for sale at June 30, 2011 and December 31, 2010. Gains and losses from asset disposals and impairment losses are classified within the statement of operations according to the use of the asset.

Prepaid Debt Fees

Prepaid debt fees represent the capitalized direct costs incurred related to the issuance of debt and are recorded as noncurrent assets. These costs are amortized to interest expense over the lives of the respective borrowings, including contingent maturity or call features, using the effective interest method, or straight-line method when associated with a revolving credit facility. When debt is repaid early, the related portion of unamortized prepaid debt fees is written-off and included in interest expense.

Business Combinations

On the date of acquisition, the assets acquired, liabilities assumed, and any noncontrolling interests in the acquiree are recorded at their fair values. The acquiree results of operations are also included as of the date of acquisition in our consolidated results. Intangible assets that arise from contractual/legal rights, or are capable of being separated, as well as in-process research and development, are measured and recorded at fair value, and amortized over the estimated useful life. If practicable, assets acquired and liabilities assumed arising from contingencies are measured and recorded at fair value. If not practicable, such assets and liabilities are measured and recorded when it is probable that a gain or loss has occurred and the amount can be reasonably estimated. The residual balance of the purchase price, after fair value allocations to all identified assets and liabilities, represents goodwill. Acquisition-related costs are expensed as incurred. Restructuring costs are generally expensed in periods subsequent to the acquisition date, and changes in deferred tax asset valuation allowances and acquired income tax uncertainties, including penalties and interest, after the measurement period are recognized as a component of the provision for income taxes.

Goodwill and Intangible Assets

Goodwill and intangible assets have resulted from our acquisitions. We use estimates in determining and assigning the fair value of goodwill and intangible assets at acquisition, including estimates of useful lives of intangible assets, the amount and timing of related future cash flows, and fair values of the related operations. Our intangible assets have finite lives, are amortized over their estimated useful lives based on estimated discounted cash flows, and are tested for impairment when events or changes in circumstances indicate the carrying value may not be recoverable.

Goodwill is assigned to our reporting units based on the expected benefit from the synergies arising from each business combination, determined by using certain financial metrics, including the forecasted discounted cash flows associated with each reporting unit. Goodwill is tested for impairment as of October 1 of each year, or more frequently if a significant impairment indicator occurs. Determining the fair value of a reporting unit is judgmental in nature and involves the use of significant estimates and assumptions. We forecast discounted future cash flows at the reporting unit level using risk-adjusted discount rates and estimated future revenues and operating costs, which take into consideration factors such as existing backlog, expected future orders, supplier contracts, and expectations of competitive and economic environments. We also identify similar publicly traded companies and develop a correlation, referred to as a multiple, to apply to the operating results of our reporting units.

Contingencies

A loss contingency is recorded if it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. We evaluate, among other factors, the degree of probability of an unfavorable outcome and our ability to make a reasonable estimate of the amount of the ultimate loss. Loss contingencies that we determine to be reasonably possible, but not probable, are disclosed. Changes in these factors and related estimates could materially affect our financial position and results of operations.

Bonus and Profit Sharing

We have various employee bonus and profit sharing plans, which provide award amounts for the achievement of annual financial and nonfinancial targets. If management determines it is probable that the targets will be achieved, and the amounts can be reasonably estimated, a compensation accrual is recorded based on the proportional achievement of the financial and nonfinancial targets. Although we monitor and accrue expenses quarterly based on our progress toward the achievement of the annual targets, the actual results at the end of the year may require awards that are significantly greater or less than the estimates made in earlier quarters.

Warranty

We offer standard warranties on our hardware products and large application software products. We accrue the estimated cost of warranty claims based on historical and projected product performance trends and costs. Testing of new products in the development stage helps identify and correct potential warranty issues prior to manufacturing. Continuing quality control efforts during manufacturing reduce our exposure to warranty claims. If our quality control efforts fail to detect a fault in one of our products, we could experience an increase in warranty claims. We track warranty claims to identify potential warranty trends. If an unusual trend is noted, an additional warranty accrual may be assessed and recorded when a failure event is probable and the cost can be reasonably estimated. Management continually evaluates the sufficiency of the warranty provisions and makes adjustments when necessary. The warranty allowances may fluctuate due to changes in estimates for material, labor, and other costs we may incur to repair or replace projected product failures, and we may incur additional warranty and related expenses in the future with respect to new or established products, which could adversely affect our financial position and results of operations. The long-term warranty balance includes estimated warranty claims beyond one year. Warranty expense is classified within cost of revenues.

Defined Benefit Pension Plans

We sponsor both funded and unfunded defined benefit pension plans for our international employees. We recognize a liability for the projected benefit obligation in excess of plan assets or an asset for plan assets in excess of the projected benefit obligation. We also recognize the funded status of our defined benefit pension plans on our Consolidated Balance Sheets and recognize as a component of OCI, net of tax, the actuarial gains or losses and prior service costs or credits, if any, that arise during the period but that are not recognized as components of net periodic benefit cost.

Revenue Recognition

Revenues consist primarily of hardware sales, software license fees, software implementation, project management services, installation, consulting, and post-sale maintenance support. Revenues are recognized when (1) persuasive evidence of an arrangement exists, (2) delivery has occurred or services have been rendered, (3) the sales price is fixed or determinable, and (4) collectability is reasonably assured.

The majority of our revenue arrangements involve multiple deliverables, which combine two or more of the following: hardware, meter reading system software, installation, and/or project management services. Revenue arrangements with multiple deliverables are divided into separate units of accounting if the delivered item(s) has value to the customer on a standalone basis and delivery/performance of the undelivered item(s) is probable. The total arrangement consideration is allocated among the separate units of accounting based on their relative fair values and the applicable revenue recognition criteria considered for each unit of accounting. The amount allocable to a delivered item is limited to the amount that we are entitled to collect and that is not contingent upon the delivery/performance of additional items. Revenues for each deliverable are then recognized based on the type of deliverable, such as 1) when the products are shipped, 2) services are delivered, 3) percentage-of-completion when implementation services are essential to other deliverables in the arrangements, 4) upon receipt of customer acceptance, or 5) transfer of title. The majority of our revenue is recognized when products are shipped to or received by a customer or when services are provided.

We primarily enter into two types of multiple deliverable arrangements, which include a combination of hardware and associated software and services:

• Arrangements that do not include the deployment of our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ If implementation services are essential to the functionality of the associated software, software and implementation revenues are recognized using either the percentage-of-completion methodology of contract accounting if project costs can be estimated, or the completed contract methodology if project costs cannot be reliably estimated.

• Arrangements to deploy our smart metering systems and technology are recognized as follows:

◦ Hardware revenues are recognized at the time of shipment, receipt by customer, or, if applicable, upon completion of customer acceptance provisions.

◦ Revenue from associated software and services is recognized using the units-of-delivery method of contract accounting, as the software is essential to the functionality of the related hardware and the implementation services are essential to the functionality of the associated software. This methodology often results in the deferral of costs and revenues as professional services and software implementation typically commence prior to deployment of hardware.

We also enter into multiple deliverable software arrangements that do not include hardware. For this type of arrangement, revenue recognition is dependent upon the availability of vendor specific objective evidence (VSOE) of fair value for each of the deliverables. The lack of VSOE, or the existence of extended payment terms or other inherent risks, may affect the timing of revenue recognition for software arrangements.

Certain of our revenue arrangements include an extended or noncustomary warranty provision which covers all or a portion of a customer’s replacement or repair costs beyond the standard or customary warranty period. Whether or not the extended warranty is separately priced in the arrangement, a portion of the arrangement’s total consideration is allocated to this extended warranty deliverable. This revenue is deferred and recognized over the extended warranty coverage period. Extended or noncustomary warranties do not represent a significant portion of our revenue.

We allocate consideration to each deliverable in an arrangement based on its relative selling price. We determine selling price using VSOE, if it exists, otherwise we use third-party evidence (TPE). If neither VSOE nor TPE of selling price exists for a unit of accounting, we use estimated selling price (ESP).

VSOE is generally limited to the price charged when the same or similar product is sold separately or, if applicable, the stated renewal rate in the agreement. If a product or service is seldom sold separately, it is unlikely that we can determine VSOE for the product or service. We define VSOE as a median price of recent standalone transactions that are priced within a narrow range. TPE is determined based on the prices charged by our competitors for a similar deliverable when sold separately.

If we are unable to establish selling price using VSOE or TPE, we use ESP in the allocation of arrangement consideration. The objective of ESP is to determine the price at which we would transact if the product or service were regularly sold by us on a standalone basis. Our determination of ESP involves a weighting of several factors based on the specific facts and circumstances of the arrangement. Specifically, we consider the cost to produce the deliverable, the anticipated margin on that deliverable, the selling price and profit margin for similar parts, our ongoing pricing strategy and policies (as evident in the price list established and updated by management on a regular basis), the value of any enhancements that have been built into the deliverable, and the characteristics of the varying markets in which the deliverable is sold. We analyze the selling prices used in our allocation of arrangement consideration on an annual basis. Selling prices are analyzed on a more frequent basis if we experience significant variances in our selling prices or if a significant change in our business necessitates a more timely analysis.

Unearned revenue is recorded when a customer pays for products or services, but the criteria for revenue recognition have not been met as of the balance sheet date. Unearned revenues of $68.7 million and $42.8 million at June 30, 2011 and December 31, 2010 related primarily to professional services and software associated with our smart metering contracts, extended or noncustomary warranty, and prepaid post-contract support. Deferred cost is recorded for products or services for which ownership (typically defined as title and risk of loss) has transferred to the customer, but the criteria for revenue recognition have not been met as of the balance sheet date. Deferred costs were $16.6 million and $10.0 million at June 30, 2011 and December 31, 2010 and are recorded within other assets in the Consolidated Balance Sheets.

Hardware and software post-sale maintenance support fees are recognized ratably over the life of the related service contract. Shipping and handling costs and incidental expenses billed to customers are recorded as revenue, with the associated cost charged to cost of revenues. We record sales, use, and value added taxes billed to our customers on a net basis.

Product and Software Development Costs

Product and software development costs primarily include employee compensation and third party contracting fees. For software we develop to be marketed or sold, we capitalize development costs after technological feasibility is established. Due to the relatively short period of time between technological feasibility and the completion of product and software development, and the immaterial nature of these costs, we generally do not capitalize product and software development expenses.

Stock-Based Compensation

We measure and recognize compensation expense for all stock-based awards made to employees and directors, including stock options, stock sold pursuant to our Employee Stock Purchase Plan (ESPP), and the issuance of restricted stock units and unrestricted stock awards, based on estimated fair values. The fair value of stock options is estimated at the date of grant using the Black-Scholes option-pricing model, which includes assumptions for the dividend yield, expected volatility, risk-free interest rate, and expected life. For ESPP awards, the fair value is the difference between the market close price of our common stock on the date of purchase and the discounted purchase price. For restricted stock units and unrestricted stock awards, the fair value is the market close price of our common stock on the date of grant. We expense stock-based compensation at the date of grant for unrestricted stock awards. For awards with only a service condition, we expense stock-based compensation, adjusted for estimated forfeitures, using the straight-line method over the requisite service period for the entire award. For awards with both performance and service conditions, we expense the stock-based compensation, adjusted for estimated forfeitures, on a straight-line basis over the requisite service period for each separately vesting portion of the award. Excess tax benefits are credited to common stock when the deduction reduces cash taxes payable. When we have tax deductions in excess of the compensation cost, they are classified as financing cash inflows in the Consolidated Statements of Cash Flows.

Loss on Extinguishment of Debt, Net

Upon partial or full redemption of our borrowings, we recognize a gain or loss for the difference between the cash paid and the net carrying amount of the debt redeemed. Included in the net carrying amount is any unamortized premium or discount from the original issuance of the debt. Due to the particular characteristics of our convertible notes, we recognize a gain or loss upon conversion or derecognition for the difference between the net carrying amount of the liability component (including any unamortized discount and debt issuance costs) and the fair value of the consideration transferred to the holder that is allocated to the liability component, which is equal to the fair value of the liability component immediately prior to extinguishment. In the case of an induced conversion, a loss is recognized for the amount of the fair value of the securities or other consideration transferred to the holder in excess of fair value of the consideration issuable in accordance with the original conversion terms of the debt.

Income Taxes

We compute our interim income tax provision through the use of an estimated annual effective tax rate (ETR) applied to year-to-date operating results and specific events that are discretely recognized as they occur. In determining the estimated annual ETR, we analyze various factors, including projections of our annual earnings, taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carryforwards, and available tax planning alternatives. Discrete items, including the effect of changes in tax laws, tax rates, and certain circumstances with respect to valuation allowances or other unusual or non-recurring tax adjustments, are reflected in the period in which they occur as an addition to, or reduction from, the income tax provision, rather than included in the estimated annual ETR.

Deferred tax assets and liabilities are recognized based upon anticipated future tax consequences, in each of the jurisdictions in which we operate, attributable to: (1) the differences between the financial statement carrying amounts of existing assets and liabilities and their respective income tax bases; and (2) operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The calculation of our tax liabilities involves applying complex tax regulations in different tax jurisdictions to our tax positions. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is not more likely than not that such assets will be realized. We do not record tax liabilities on undistributed earnings of international subsidiaries that are permanently reinvested.

A tax position is first evaluated for recognition based on its technical merits. Tax positions that have a greater than fifty percent likelihood of being realized upon ultimate settlement are then measured to determine amounts to be recognized in the financial statements. This measurement incorporates information about potential settlements with taxing authorities. A previously recognized tax position is derecognized in the first period in which the position no longer meets the more-likely-than-not recognition threshold. We classify interest expense and penalties related to uncertain tax positions and interest income on tax overpayments as part of income tax expense.

Foreign Exchange

Our consolidated financial statements are reported in U.S. dollars. Assets and liabilities of international subsidiaries with a non-U.S. dollar functional currency are translated to U.S. dollars at the exchange rates in effect on the balance sheet date, or the last business day of the period, if applicable. Revenues and expenses for these subsidiaries are translated to U.S. dollars using a weighted average rate for the relevant reporting period. Translation adjustments resulting from this process are included, net of tax, in OCI. Gains and losses that arise from exchange rate fluctuations for monetary asset and liability balances that are not denominated in an entity’s functional currency are included within other income (expense), net in the Consolidated Statements of Operations. Currency gains and losses of intercompany balances deemed to be long-term in nature or designated as a hedge of the net investment in international subsidiaries are included, net of tax, in OCI.

Fair Value Measurements

For assets and liabilities measured at fair value, the GAAP fair value hierarchy prioritizes the inputs used in different valuation methodologies, assigning the highest priority to unadjusted quoted prices for identical assets and liabilities in actively traded markets (Level 1) and the lowest priority to unobservable inputs (Level 3). Level 2 inputs consist of quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in non-active markets; and model-derived valuations in which significant inputs are corroborated by observable market data either directly or indirectly through correlation or other means (inputs may include yield curves, volatility, credit risks, and default rates). We hold no assets or liabilities measured using Level 1 fair value inputs.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Due to various factors affecting future costs and operations, actual results could differ materially from these estimates.

Restatement

The unaudited quarterly financial information for the first three quarters of 2010 was restated in the fourth quarter of 2010. The restatement was made primarily to defer revenue previously recognized on one contract due to a misinterpretation of an extended warranty provision. While the restatement was not deemed material to the first three quarters of 2010, we concluded that the aggregate correction of such amounts would be material to the fourth quarter of 2010. Accordingly, although not material to our financial statements for the first and second quarters of 2010, the results of operations for the three and six months ended June 30, 2010 and cash flows for the six months ended June 30, 2010 have been restated, as well as certain balance sheet components as of June 30, 2010. The consolidated statement of operations, consolidated balance sheet, and consolidated statement of cash flows have been restated, as follows:

Consolidated statement of operations	Three Months Ended June 30, 2010						Six Months Ended June 30, 2010
	As previously reported			As restated			As previously reported			As restated
	(in thousands, except per share data)
Revenues	$	569,460		$	567,339		$	1,068,740		$	1,064,962
Cost of revenues	393,136			393,283			733,521			733,842
Gross profit	176,324			174,056			335,219			331,120
Operating income	52,277			50,009			85,727			81,628
Income before income taxes	37,998			35,730			56,100			52,001
Income tax (provision) benefit	(11,098		)	(10,419		)	(2,413		)	(1,440		)
Net income	26,900			25,311			53,687			50,561
Earnings per common share - Basic	$	0.67		$	0.63		$	1.33		$	1.26
Earnings per common share - Diluted	$	0.65		$	0.61		$	1.31		$	1.23

Consolidated balance sheet	June 30, 2010
	As previously reported		As restated
	(in thousands)
Accounts receivable, net	366,476		366,240
Deferred tax assets noncurrent, net	67,684		68,657
Long-term warranty	22,953		23,274
Other long-term obligations	67,908		71,478
Accumulated other comprehensive loss, net	(116,019	)	(116,047	)
Retained earnings	83,937		80,811

Consolidated statement of cash flow	Six Months Ended June 30, 2010
	As previously reported			As restated
	(in thousands)
Operating activities
Net income	$	53,687		$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes, net	(7,159		)	(8,132		)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(52,332		)	(52,124		)
Unearned revenue	(1,205		)	2,365
Warranty	14,034			14,355

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Summary of Significant Accounting Policies Restatement (Tables)

6 Months Ended

Jun. 30, 2011

Restatement [Abstract]

Consolidated Statement of Operations [Table Text Block]

Consolidated Balance Sheet [Table Text Block]

Consolidated balance sheet	June 30, 2010
	As previously reported		As restated
	(in thousands)
Accounts receivable, net	366,476		366,240
Deferred tax assets noncurrent, net	67,684		68,657
Long-term warranty	22,953		23,274
Other long-term obligations	67,908		71,478
Accumulated other comprehensive loss, net	(116,019	)	(116,047	)
Retained earnings	83,937		80,811

Consolidated Statement of Cash Flow [Table Text Block]

Consolidated statement of cash flow	Six Months Ended June 30, 2010
	As previously reported			As restated
	(in thousands)
Operating activities
Net income	$	53,687		$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes, net	(7,159		)	(8,132		)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(52,332		)	(52,124		)
Unearned revenue	(1,205		)	2,365
Warranty	14,034			14,355

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Summary of Significant Accounting Policies Consolidated Statement of Cash Flow Restatement (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net income	$ 61,556	$ 50,561
Deferred taxes, net	(6,081)	8,132
Accounts receivable	12,106	52,124
Unearned revenue	24,159	2,365
Warranty	9,510	14,355
As previously reported [Member]
Net income		53,687
Deferred taxes, net		(7,159)
Accounts receivable		(52,332)
Unearned revenue		(1,205)
Warranty		14,034
As restated [Member]
Net income		50,561
Deferred taxes, net		(8,132)
Accounts receivable		(52,124)
Unearned revenue		2,365
Warranty		$ 14,355

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Fair Values of Financial Instruments Schedule of Fair Values of Financial Instruments (Details) In Thousands	Jun. 30, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2010 USD ($)	Dec. 31, 2009 USD ($)	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Jun. 30, 2011 USD Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 USD Denominated Term Loan [Member] USD ($)	Jun. 30, 2011 EUR Denominated Term Loan [Member] EUR (€)	Jun. 30, 2011 EUR Denominated Term Loan [Member] USD ($)	Dec. 31, 2010 EUR Denominated Term Loan [Member] EUR (€)	Dec. 31, 2010 EUR Denominated Term Loan [Member] USD ($)
Assets
Cash and cash equivalents	$ 168,284	$ 169,477	$ 137,371	$ 121,893
Cash and cash equivalents, at fair value	168,284	169,477
Foreign exchange forwards, asset	171	63
Foreign exchange forwards, asset, at fair value					171	63
Liabilities
Term loans							200,616	218,642	105,800	151,350	132,400	174,031
Term loans, at fair value							201,619	219,462		152,107		174,684
Convertible senior subordinated debt	223,604	218,268
Convertible senior subordinated notes, at fair value	224,163	236,461
Interest rate swaps	2,577	6,820
Interest rate swaps, at fair value					2,577	6,820
Foreign exchange forwards, liability	200	457
Foreign exchange forwards, liability, at fair value					$ 200	$ 457

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Certain Balance Sheet Components Certain Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2011

Balance Sheet Related Disclosures [Abstract]

Accounts Receivable, Net [Table Text Block]

Accounts receivable, net	June 30, 2011		December 31, 2010
	(in thousands)
Trade receivables (net of allowance of $8,980 and $9,045)	$	348,736	$	328,811
Unbilled receivables	29,099		42,851
Total accounts receivable, net	$	377,835	$	371,662

Summary of Allowance for Doubtful Accounts [Table Text Block]

Allowance for doubtful account activity	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	9,030		$	5,870		$	9,045		$	6,339
Provision (release) of doubtful accounts, net	298			742			(48		)	662
Accounts written-off	(505		)	(43		)	(552		)	(173		)
Effects of change in exchange rates	157			(271		)	535			(530		)
Ending balance	$	8,980		$	6,298		$	8,980		$	6,298

Inventories [Table Text Block]

Inventories	June 30, 2011		December 31, 2010
	(in thousands)
Materials	$	132,303	$	106,021
Work in process	26,058		18,389
Finished goods	94,718		83,747
Total inventories	$	253,079	$	208,157

Property, Plant and Equipment, Net [Table Text Block]

Depreciation Expense [Table Text Block]

Depreciation expense	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in thousands)
Depreciation expense	$	16,571	$	14,994	$	32,505	$	30,494

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Defined Benefit Pension Plans Schedule of Net Periodic Pension Benefit Costs (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Schedule of Net Periodic Pension Benefit Costs [Line Items]
Service Cost	$ 601	$ 475	$ 1,218	$ 1,000
Interest Cost	969	844	1,886	1,750
Expected Return on Plan Assets	(83)	(71)	(163)	(148)
Amortization of Actuarial Net Loss (Gains)	14	(6)	28	(13)
Amortization of Unrecognized Prior Service Costs	19	0	37	0
Net Periodic Benefit Cost	$ 1,520	$ 1,242	$ 3,006	$ 2,589

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Derivative Financial Instruments Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Interest Rate Swap Contracts [Abstract]
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion)	$ (2,149)	$ (839)	$ (4,477)	$ (4,122)
Interest Expense [Member]
Interest Rate Swap Contracts [Abstract]
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(1,788)	(3,238)	(4,171)	(6,810)
Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)	$ (31)	$ (14)	$ (80)	$ (74)

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Certain Balance Sheet Components (Text Block)

6 Months Ended

Jun. 30, 2011

Balance Sheet Related Disclosures [Abstract]

Certain Balance Sheet Components [Text Block]

Certain Balance Sheet Components

Accounts receivable, net	June 30, 2011		December 31, 2010
	(in thousands)
Trade receivables (net of allowance of $8,980 and $9,045)	$	348,736	$	328,811
Unbilled receivables	29,099		42,851
Total accounts receivable, net	$	377,835	$	371,662

At June 30, 2011 and December 31, 2010, $134,000 and $12.5 million were recorded within trade receivables as billed but not yet paid by customers in accordance with contract retainage provisions. At June 30, 2011 and December 31, 2010, contract retainage amounts that were unbilled and classified as unbilled receivables were $4.5 million and $2.1 million. These contract retainage amounts within trade receivables and unbilled receivables are expected to be collected within the following 12 months.

At June 30, 2011 and December 31, 2010, long-term unbilled receivables and long-term retainage contract receivables were $36.5 million and $5.9 million. The increase in long-term receivables from December 31, 2010 to June 30, 2011 includes $12.5 million of retainage contract receivables and $12.0 million of unbilled receivables, which were reclassified to long-term at June 30, 2011 due to a delay in reaching certain contract milestones required for payment. These long-term unbilled receivables and retainage contract receivables are classified within other long-term assets as collection is not anticipated within the following 12 months. However, collection is expected within the following 18 months.

Allowance for doubtful account activity	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Beginning balance	$	9,030		$	5,870		$	9,045		$	6,339
Provision (release) of doubtful accounts, net	298			742			(48		)	662
Accounts written-off	(505		)	(43		)	(552		)	(173		)
Effects of change in exchange rates	157			(271		)	535			(530		)
Ending balance	$	8,980		$	6,298		$	8,980		$	6,298

Inventories	June 30, 2011		December 31, 2010
	(in thousands)
Materials	$	132,303	$	106,021
Work in process	26,058		18,389
Finished goods	94,718		83,747
Total inventories	$	253,079	$	208,157

Our inventory levels may vary period to period as a result of our factory scheduling and the timing of contract fulfillments, which may include the buildup of finished goods for shipment.

Consigned inventory is held at third-party locations; however, we retain title to the inventory until purchased by the third-party. Consigned inventory, consisting of raw materials and finished goods, was $15.1 million and $17.6 million at June 30, 2011 and December 31, 2010, respectively.

Property, plant, and equipment, net	June 30, 2011			December 31, 2010
	(in thousands)
Machinery and equipment	$	284,431		$	265,113
Computers and purchased software	69,894			63,077
Buildings, furniture, and improvements	150,987			146,661
Land	33,879			35,968
Construction in progress, including purchased equipment	24,600			20,531
Total cost	563,791			531,350
Accumulated depreciation	(262,333		)	(232,108		)
Property, plant, and equipment, net	$	301,458		$	299,242

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Other Comprehensive Income (Loss) (Text Block)

6 Months Ended

Jun. 30, 2011

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Other Comprehensive Income (Loss) [Text Block]

Other Comprehensive Income (Loss)

OCI is reflected as a net increase (decrease) to shareholders’ equity and is not reflected in our results of operations. Total comprehensive income (loss) during the reporting periods, net of tax, was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Net income (loss)	$	34,436		$	25,311		$	61,556		$	50,561
Foreign currency translation adjustment, net	23,097			(115,021		)	123,544			(212,499		)
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges, net	(224		)	(517		)	(164		)	(2,542		)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument, net	(1,452		)	12,908			(9,262		)	24,352
Net hedging (gain) loss reclassified into net income (loss), net	1,332			1,995			2,774			4,197
Pension plan benefits liability adjustment, net	24			(117		)	(528		)	(685		)
Total comprehensive income (loss)	$	57,213		$	(75,441	)	$	177,920		$	(136,616	)

Income tax (provision) benefit related to OCI during the reporting periods was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Foreign currency translation adjustment	$	(67	)	$	(72	)	$	(412	)	$	(585	)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	137			322			142			1,580
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	891			(8,035		)	5,661			(15,146		)
Net hedging (gain) loss reclassified into net income (loss)	(817		)	(1,243		)	(1,703		)	(2,613		)
Pension plan benefits liability adjustment	(9		)	38			217			221
Total income tax (provision) benefit on other comprehensive income (loss)	$	135		$	(8,990	)	$	3,905		$	(16,543	)

Accumulated other comprehensive income (loss), net of tax, was $81.4 million at June 30, 2011 and $(35.0) million at December 31, 2010. These amounts include adjustments for foreign currency translation, the unrealized gain (loss) on our hedging instruments, the hedging gain (loss), and the pension liability adjustment as indicated above.

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Certain Balance Sheet Components Depreciation Expense (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Depreciation expense [Line Items]
Depreciation expense	$ 16,571	$ 14,994	$ 32,505	$ 30,494

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Goodwill Schedule of Goodwill Allocated to Reporting Segments (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Goodwill [Line Items]
Goodwill beginning balance	$ 1,209,376	$ 1,305,599
Goodwill acquired	10,251
Effect of change in exchange rates	92,144	(159,517)
Goodwill ending balance	1,311,771	1,146,082
Itron North America [Member]
Goodwill [Line Items]
Goodwill beginning balance	198,048	197,515
Goodwill acquired	0
Effect of change in exchange rates	205	89
Goodwill ending balance	198,253	197,604
Itron International [Member]
Goodwill [Line Items]
Goodwill beginning balance	1,011,328	1,108,084
Goodwill acquired	10,251
Effect of change in exchange rates	91,939	(159,606)
Goodwill ending balance	$ 1,113,518	$ 948,478

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Derivative Financial Instruments Effect of Net Investment Hedge Nonderivative Financial Instrument on OCI (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Gain (loss) recognized in OCI on derivative, (Effective Portion) [Abstract]
Before tax	$ (2,343)	$ 20,943	$ (14,923)	$ 39,498
After tax	$ (1,452)	$ 12,908	$ (9,262)	$ 24,352

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Fair Values of Financial Instruments Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping (Tables)

6 Months Ended

Jun. 30, 2011

Schedule of Fair Value of Financial Instruments on the Consolidated Balance Sheets [Abstract]

Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping [Table Text Block]

	June 30, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets			(in thousands)
Cash and cash equivalents	$	168,284	$	168,284	$	169,477	$	169,477
Foreign exchange forwards	171		171		63		63
Liabilities
Term loans
USD denominated term loan	$	200,616	$	201,619	$	218,642	$	219,462
EUR denominated term loan	151,350		152,107		174,031		174,684
Convertible senior subordinated notes	223,604		224,163		218,268		236,461
Interest rate swaps	2,577		2,577		6,820		6,820
Foreign exchange forwards	200		200		457		457

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Subsequent Event

6 Months Ended

Jun. 30, 2011

Subsequent Events [Abstract]

Subsequent Event [Text Block]

Subsequent Event

On August 1, 2011, in accordance with the terms of the convertible senior subordinated notes, at the option of the holders we repurchased $184.8 million of the convertible notes at their principal amount plus accrued and unpaid interest. The convertible notes were repurchased using a combination of cash on hand and borrowings under our multicurrency revolving line of credit.

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Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
Cost of revenues	421,318	393,283	800,899	733,842
Gross profit	191,083	174,056	375,193	331,120
Operating expenses
Sales and marketing	48,845	40,974	93,493	82,511
Product development	40,931	33,022	81,376	66,062
General and administrative	35,118	33,285	68,449	66,342
Amortization of intangible assets	16,197	16,766	31,794	34,577
Restructuring	1,907	0	1,907	0
Total operating expenses	142,998	124,047	277,019	249,492
Operating income	48,085	50,009	98,174	81,628
Other income (expense)
Interest income	168	111	476	278
Interest expense	(11,420)	(13,965)	(23,534)	(28,888)
Other income (expense), net	(2,477)	(425)	(4,073)	(1,017)
Total other income (expense)	(13,729)	(14,279)	(27,131)	(29,627)
Income before income taxes	34,356	35,730	71,043	52,001
Income tax (provision) benefit	80	(10,419)	(9,487)	(1,440)
Net income	$ 34,436	$ 25,311	$ 61,556	$ 50,561
Earnings per common share-Basic	$ 0.85	$ 0.63	$ 1.52	$ 1.26
Earnings per common share-Diluted	$ 0.84	$ 0.61	$ 1.50	$ 1.23
Weighted average common shares outstanding-Basic	40,670	40,329	40,608	40,261
Weighted average common shares outstanding-Diluted	41,077	41,161	41,059	41,011

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Consolidating Financial Information Consolidating Financial Information (Tables)

3 Months Ended

6 Months Ended

12 Months Ended

Jun. 30, 2011

Jun. 30, 2010

Jun. 30, 2011

Jun. 30, 2010

Dec. 31, 2010

Consolidating Financial Information Tables [Abstract]

Consolidating Statement of Operations [Table Text Block]

Consolidating Statement of Operations

Three Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	289,090		$	—	$	345,332		$	(22,021	)	$	612,401
Cost of revenues	194,728			—		248,611			(22,021		)	421,318
Gross profit	94,362			—		96,721			—			191,083
Operating expenses
Sales and marketing	18,195			—		30,650			—			48,845
Product development	26,673			—		14,258			—			40,931
General and administrative	13,529			—		21,589			—			35,118
Amortization of intangible assets	3,512			—		12,685			—			16,197
Restructuring	501			—		1,406			—			1,907
Total operating expenses	62,410			—		80,588			—			142,998
Operating income	31,952			—		16,133			—			48,085
Other income (expense)
Interest income	57			842		134			(865		)	168
Interest expense	(12,178		)	—		(107		)	865			(11,420		)
Other income (expense), net	(1,436		)	—		(1,041		)	—			(2,477		)
Total other income (expense)	(13,557		)	842		(1,014		)	—			(13,729		)
Income before income taxes	18,395			842		15,119			—			34,356
Income tax (provision) benefit	(2,823		)	—		2,903			—			80
Equity in earnings of guarantor and non-guarantor subsidiaries, net	18,864			—		—			(18,864		)	—
Net income	$	34,436		$	842	$	18,022		$	(18,864	)	$	34,436

Consolidating Statement of Operations

Three Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	298,380		$	—	$	283,082		$	(14,123	)	$	567,339
Cost of revenues	199,882			—		207,524			(14,123		)	393,283
Gross profit	98,498			—		75,558			—			174,056
Operating expenses
Sales and marketing	15,706			—		25,268			—			40,974
Product development	21,051			—		11,971			—			33,022
General and administrative	13,467			—		19,818			—			33,285
Amortization of intangible assets	4,086			—		12,680			—			16,766
Total operating expenses	54,310			—		69,737			—			124,047
Operating income	44,188			—		5,821			—			50,009
Other income (expense)
Interest income	116			776		87			(868		)	111
Interest expense	(14,621		)	—		(212		)	868			(13,965		)
Other income (expense), net	4,002			—		(4,427		)	—			(425		)
Total other income (expense)	(10,503		)	776		(4,552		)	—			(14,279		)
Income before income taxes	33,685			776		1,269			—			35,730
Income tax benefit (provision)	(12,539		)	—		2,120			—			(10,419		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	4,165			—		—			(4,165		)	—
Net income	$	25,311		$	776	$	3,389		$	(4,165	)	$	25,311

Consolidating Statement of Operations

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	562,653		$	—	$	653,623		$	(40,184	)	$	1,176,092
Cost of revenues	377,003			—		464,080			(40,184		)	800,899
Gross profit	185,650			—		189,543			—			375,193
Operating expenses
Sales and marketing	35,210			—		58,283			—			93,493
Product development	51,864			—		29,512			—			81,376
General and administrative	26,474			—		41,975			—			68,449
Amortization of intangible assets	7,024			—		24,770			—			31,794
Restructuring	501			—		1,406			—			1,907
Total operating expenses	121,073			—		155,946			—			277,019
Operating income	64,577			—		33,597			—			98,174
Other income (expense)
Interest income	14,902			1,668		411			(16,505		)	476
Interest expense	(24,997		)	—		(15,042		)	16,505			(23,534		)
Other income (expense), net	(2,603		)	—		(1,470		)	—			(4,073		)
Total other income (expense)	(12,698		)	1,668		(16,101		)	—			(27,131		)
Income before income taxes	51,879			1,668		17,496			—			71,043
Income tax (provision) benefit	(14,190		)	—		4,703			—			(9,487		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	23,867			—		—			(23,867		)	—
Net income	$	61,556		$	1,668	$	22,199		$	(23,867	)	$	61,556

Consolidating Statement of Operations

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary		Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
	(in thousands)
Revenues	$	539,253		$	—	$	551,911		$	(26,202	)	$	1,064,962
Cost of revenues	364,772			—		395,272			(26,202		)	733,842
Gross profit	174,481			—		156,639			—			331,120
Operating expenses
Sales and marketing	31,273			—		51,238			—			82,511
Product development	42,229			—		23,833			—			66,062
General and administrative	27,250			—		39,092			—			66,342
Amortization of intangible assets	8,172			—		26,405			—			34,577
Total operating expenses	108,924			—		140,568			—			249,492
Operating income	65,557			—		16,071			—			81,628
Other income (expense)
Interest income	475			1,534		226			(1,957		)	278
Interest expense	(30,201		)	—		(644		)	1,957			(28,888		)
Other income (expense), net	2,973			—		(3,990		)	—			(1,017		)
Total other income (expense)	(26,753		)	1,534		(4,408		)	—			(29,627		)
Income before income taxes	38,804			1,534		11,663			—			52,001
Income tax (provision) benefit	(2,792		)	—		1,352			—			(1,440		)
Equity in earnings of guarantor and non-guarantor subsidiaries, net	14,549			—		—			(14,549		)	—
Net income	$	50,561		$	1,534	$	13,015		$	(14,549	)	$	50,561

Consolidating Balance Sheets [Table Text Block]

Consolidating Balance Sheet

June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	79,037		$	—		$	89,247	$	—		$	168,284
Accounts receivable, net	117,090			—			260,745		—			377,835
Intercompany accounts receivable	11,599			—			8,375		(19,974		)	—
Inventories	111,702			—			142,341		(964		)	253,079
Deferred tax assets current, net	37,450			—			17,695		—			55,145
Other current assets	25,101			—			81,079		(1,684		)	104,496
Intercompany other	2,088			—			—		(2,088		)	—
Total current assets	384,067			—			599,482		(24,710		)	958,839
Property, plant, and equipment, net	116,725			—			184,733		—			301,458
Deferred tax assets noncurrent, net	(19,705		)	—			32,419		—			12,714
Other long-term assets	48,220			—			20,747		—			68,967
Intangible assets, net	34,804			—			258,126		—			292,930
Goodwill	184,749			—			1,127,022		—			1,311,771
Investment in subsidiaries	320,053			—			—		(320,053		)	—
Intercompany notes receivable	1,397,260			103,085			—		(1,500,345		)	—
Total assets	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	82,347		$	—		$	186,115	$	—		$	268,462
Other current liabilities	6,648			—			34,982		—			41,630
Intercompany accounts payable	8,375			—			11,599		(19,974		)	—
Wages and benefits payable	35,475			—			59,380		—			94,855
Taxes payable	4,537			—			23,439		—			27,976
Current portion of debt	234,449			—			—		—			234,449
Current portion of warranty	10,737			—			19,262		—			29,999
Unearned revenue	27,779			—			21,943		—			49,722
Short-term intercompany advances	—			—			2,088		(2,088		)	—
Total current liabilities	410,347			—			358,808		(22,062		)	747,093
Long-term debt	341,121			—			—		—			341,121
Long-term warranty	11,767			—			21,072		—			32,839
Pension plan benefits	—			—			69,675		—			69,675
Intercompany notes payable	103,085			—			1,397,260		(1,500,345		)	—
Deferred tax liabilities noncurrent, net	(44,218		)	—			95,757		—			51,539
Other long-term obligations	26,601			—			60,341		—			86,942
Total liabilities	848,703			—			2,002,913		(1,522,407		)	1,329,209
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,339,504			97,377			101,192		(198,569		)	1,339,504
Accumulated other comprehensive income (loss), net	81,390			(7,787		)	50,861		(43,074		)	81,390
Retained earnings	196,576			13,495			67,563		(81,058		)	196,576
Total shareholders’ equity	1,617,470			103,085			219,616		(322,701		)	1,617,470
Total liabilities and shareholders’ equity	$	2,466,173		$	103,085		$	2,222,529	$	(1,845,108	)	$	2,946,679

Consolidating Balance Sheet

December 31, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries		Eliminations			Consolidated
	(in thousands)
ASSETS
Current assets
Cash and cash equivalents	$	19,146		$	—		$	150,331	$	—		$	169,477
Accounts receivable, net	163,758			—			207,904		—			371,662
Intercompany accounts receivable	10,106			—			3,675		(13,781		)	—
Inventories	99,846			—			109,208		(897		)	208,157
Deferred tax assets current, net	40,344			—			15,007		—			55,351
Other current assets	23,962			—			53,608		—			77,570
Intercompany other	1,997			—			—		(1,997		)	—
Total current assets	359,159			—			539,733		(16,675		)	882,217
Property, plant, and equipment, net	115,499			—			183,743		—			299,242
Deferred tax assets noncurrent, net	7,684			—			27,366		—			35,050
Other long-term assets	14,134			—			14,108		—			28,242
Intangible assets, net	41,828			—			249,842		—			291,670
Goodwill	184,750			—			1,024,626		—			1,209,376
Investment in subsidiaries	324,104			—			—		(324,104		)	—
Intercompany notes receivable	1,283,139			101,418			—		(1,384,557		)	—
Total assets	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	75,027		$	—		$	166,922	$	—		$	241,949
Other current liabilities	12,223			—			37,467		—			49,690
Intercompany accounts payable	3,675			—			10,106		(13,781		)	—
Wages and benefits payable	54,804			—			55,675		—			110,479
Taxes payable	3,368			—			16,357		—			19,725
Current portion of debt	228,721			—			—		—			228,721
Current portion of warranty	8,813			—			16,099		—			24,912
Unearned revenue	21,926			—			6,332		—			28,258
Short-term intercompany advances	—			—			1,997		(1,997		)	—
Total current liabilities	408,557			—			310,955		(15,778		)	703,734
Long-term debt	382,220			—			—		—			382,220
Long-term warranty	13,721			—			12,650		—			26,371
Pension plan benefit liability	—			—			61,450		—			61,450
Intercompany notes payable	101,418			—			1,283,139		(1,384,557		)	—
Deferred tax liabilities noncurrent, net	(38,400		)	—			92,812		—			54,412
Other long-term obligations	34,486			—			54,829		—			89,315
Total liabilities	902,002			—			1,815,835		(1,400,335		)	1,317,502
Shareholders’ equity
Preferred stock	—			—			—		—			—
Common stock	1,328,249			97,377			136,441		(233,818		)	1,328,249
Accumulated other comprehensive income (loss), net	(34,974		)	(7,786		)	41,778		(33,992		)	(34,974		)
Retained earnings	135,020			11,827			45,364		(57,191		)	135,020
Total shareholders’ equity	1,428,295			101,418			223,583		(325,001		)	1,428,295
Total liabilities and shareholders’ equity	$	2,330,297		$	101,418		$	2,039,418	$	(1,725,336	)	$	2,745,797

Consolidating Statement of Cash Flows [Table Text Block]

Consolidating Statement of Cash Flows

Six Months Ended June 30, 2011

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	61,556		$	1,668		$	22,199		$	(23,867	)	$	61,556
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	22,314			—			41,985			—			64,299
Stock-based compensation	9,518			—			—			—			9,518
Amortization of prepaid debt fees	2,265			—			—			—			2,265
Amortization of convertible debt discount	5,336			—			—			—			5,336
Deferred taxes, net	17,948			—			(11,867		)	—			6,081
Equity in losses of guarantor and non-guarantor subsidiaries, net	(23,867		)	—			—			23,867			—
Other adjustments, net	(209		)	—			494			—			285
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	22,209			—			(34,315		)	—			(12,106		)
Inventories	(11,789		)	—			(24,879		)	—			(36,668		)
Other current assets	750			—			(22,018		)	—			(21,268		)
Other long-term assets	(11,410		)	—			(11,583		)	—			(22,993		)
Accounts payables, other current liabilities, and taxes payable	4,585			—			11,938			—			16,523
Wages and benefits payable	(19,329		)	—			(2,202		)	—			(21,531		)
Unearned revenue	9,875			—			14,284			—			24,159
Warranty	(30		)	—			9,540			—			9,510
Intercompany transactions, net	3,207			—			(3,207		)	—			—
Other operating, net	(1,159		)	—			3,885			—			2,726
Net cash provided by (used in) operating activities	91,770			1,668			(5,746		)	—			87,692
Investing activities
Acquisitions of property, plant, and equipment	(14,579		)	—			(14,133		)	—			(28,712		)
Business acquisition, net of cash equivalents acquired	—			—			(14,635		)	—			(14,635		)
Current intercompany notes, net	106			(1,668		)	—			1,562			—
Other investing, net	34,541			—			(34,028		)	—			513
Net cash provided by (used in) investing activities	20,068			(1,668		)	(62,796		)	1,562			(42,834		)
Financing activities
Payments on debt	(55,630		)	—			—			—			(55,630		)
Issuance of common stock	2,553			—			—			—			2,553
Current intercompany notes, net	1,668			—			(106		)	(1,562		)	—
Other financing, net	(538		)	—			219			—			(319		)
Net cash provided by (used in) financing activities	(51,947		)	—			113			(1,562		)	(53,396		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			7,345			—			7,345
Increase (decrease) in cash and cash equivalents	59,891			—			(61,084		)	—			(1,193		)
Cash and cash equivalents at beginning of period	19,146			—			150,331			—			169,477
Cash and cash equivalents at end of period	$	79,037		$	—		$	89,247		$	—		$	168,284
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	2,114		$	—		$	(1,136	)	$	—		$	978
Fair value of contingent and deferred consideration payable for business acquisition	—			—			5,108			—			5,108
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	(1,028	)	$	—		$	7,870		$	—		$	6,842
Interest, net of amounts capitalized	15,719			—			208			—			15,927

Consolidating Statement of Cash Flows

Six Months Ended June 30, 2010

	Parent			Guarantor Subsidiary			Combined Non-guarantor Subsidiaries			Eliminations			Consolidated
							(in thousands)
Operating activities
Net income	$	50,561		$	1,534		$	13,015		$	(14,549	)	$	50,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,655			—			42,416			—			65,071
Stock-based compensation	9,121			—			—			—			9,121
Amortization of prepaid debt fees	2,762			—			—			—			2,762
Amortization of convertible debt discount	4,957			—			—			—			4,957
Deferred income taxes, net	2,639			—			(10,771		)	—			(8,132		)
Equity in losses of guarantor and non-guarantor subsidiaries, net	(14,549		)	—			—			14,549			—
Other adjustments, net	1,972			—			1,334			—			3,306
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(33,080		)	—			(19,044		)	—			(52,124		)
Inventories	(33,896		)	—			(7,034		)	—			(40,930		)
Other current assets	6,504			—			1,871			—			8,375
Other long-term assets	1,215			—			(1,978		)	—			(763		)
Accounts payables, other current liabilities, and taxes payable	22,873			—			19,590			—			42,463
Wages and benefits payable	16,928			—			2,720			—			19,648
Unearned revenue	(330		)	—			2,695			—			2,365
Warranty	3,692			—			10,663			—			14,355
Intercompany transactions, net	2,784			—			(2,784		)	—			—
Other operating, net	68			—			(4,017		)	—			(3,949		)
Net cash provided by operating activities	66,876			1,534			48,676			—			117,086
Investing activities
Acquisitions of property, plant, and equipment	(15,490		)	—			(12,226		)	—			(27,716		)
Current intercompany notes, net	27,259			(1,534		)	5,000			(30,725		)	—
Other investing, net	2,572			—			1,923			—			4,495
Net cash provided by (used in) investing activities	14,341			(1,534		)	(5,303		)	(30,725		)	(23,221		)
Financing activities
Payments on debt	(73,881		)	—			—			—			(73,881		)
Issuance of common stock	6,812			—			—			—			6,812
Current intercompany notes, net	(3,466		)	—			(27,259		)	30,725			—
Other financing, net	(1,340		)	—			(897		)	—			(2,237		)
Net cash used in financing activities	(71,875		)	—			(28,156		)	30,725			(69,306		)
Effect of foreign exchange rate changes on cash and cash equivalents	—			—			(9,081		)	—			(9,081		)
Increase in cash and cash equivalents	9,342			—			6,136			—			15,478
Cash and cash equivalents at beginning of period	16,385			—			105,508			—			121,893
Cash and cash equivalents at end of period	$	25,727		$	—		$	111,644		$	—		$	137,371
Non-cash transactions:
Property, plant, and equipment purchased but not yet paid, net	$	(245	)	$	—		$	(3,246	)	$	—		$	(3,491	)
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Income taxes, net	$	9,191		$	—		$	164		$	—		$	9,355
Interest, net of amounts capitalized	20,958			—			220			—			21,178

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Stock-Based Compensation Unrestricted Stock Awards Summary (Details) (Unrestricted Stock Award [Member], USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Unrestricted Stock Award [Member]
[Line Items]
Shares of unrestricted stock issued	276	192	3,453	2,766
Weighted average grant date fair value	$ 54.17	$ 77.69	$ 54.96	$ 68.49

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Other Comprehensive Income Other Comprehensive Income (Loss) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 34,436	$ 25,311	$ 61,556	$ 50,561
Foreign currency translation adjustment, net	23,097	(115,021)	123,544	(212,499)
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges, net	(224)	(517)	(164)	(2,542)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument, net	(1,452)	12,908	(9,262)	24,352
Net hedging (gain) loss reclassified into net income (loss), net	1,332	1,995	(2,774)	(4,197)
Pension plan benefits liability adjustment, net	24	(117)	(528)	(685)
Total comprehensive income (loss)	57,213	(75,441)	177,920	(136,616)
Income Tax (Provision) Benefit Related To OCI (Abstract)
Foreign currency translation adjustment	(67)	(72)	(412)	(585)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	137	322	142	1,580
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	891	(8,035)	5,661	(15,146)
Net hedging (gain) loss reclassified into net income (loss)	(817)	(1,243)	(1,703)	(2,613)
Pension plan benefits liability adjustment	(9)	38	217	221
Total income tax (provision) benefit on other comprehensive income (loss)	135	(8,990)	3,905	(16,543)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss), net of tax	$ 81,390		$ 81,390		$ (34,974)

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Stock-Based Compensation Stock-Based Compensation Expense and Related Tax Benefit (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options	$ 511	$ 952	$ 1,544	$ 2,295
Restricted stock units	3,853	3,441	7,404	6,382
Unrestricted stock awards	15	14	190	189
ESPP	164	138	380	255
Total stock-based compensation	4,543	4,545	9,518	9,121
Related tax benefit	$ 1,257	$ 1,324	$ 2,659	$ 2,732

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Certain Balance Sheet Components Accounts Receivable, Net (Details) (USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009
Accounts Receivable, Net (Line Items]
Trade receivables, net of allowance	$ 348,736		$ 328,811
Unbilled receivables	29,099		42,851
Total accounts receivable, net	377,835		371,662
Allowance for doubtful accounts	$ 8,980	$ 9,030	$ 9,045	$ 6,298	$ 5,870	$ 6,339

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Intangible Assets Summary of Intangile Asset Account Activity (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Finite-Lived Intangible Assets [Line Items]
Beginning balance, intangible assets, gross	$ 759,152	$ 806,256
Intangible assets acquired	10,297	0
Assets no longer in use written off	(8,369)	0
Effect of change In exchange rates	40,968	(78,155)
Ending balance, intangible assets, gross	$ 802,048	$ 728,101
Intangible Assets, Explanation of Significant Deletions	Intangible assets that were written-off had been fully amortized and were no longer in use.

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Derivative Financial Instruments Activity of Hedging Instruments in Accumulated OCI (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net unrealized loss on hedging instruments at January 1,			$ (10,034)	$ (30,300)
Unrealized gain (loss) on derivative instruments	(224)	(517)	(164)	(2,542)
Unrealized gain (loss) on a nonderivative net investment hedging instrument	(1,452)	12,908	(9,262)	24,352
Realized (gains) losses reclassified into net income (loss)	(1,332)	(1,995)	2,774	4,197
Net unrealized loss on hedging instruments at June 30	$ (16,686)	$ (4,293)	$ (16,686)	$ (4,293)

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Consolidating Financial Information Consolidating Balance Sheet (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Current assets
Cash and cash equivalents	$ 168,284	$ 169,477	$ 137,371	$ 121,893
Accounts receivable, net	377,835	371,662
Intercompany accounts receivable	0	0
Inventories	253,079	208,157
Deferred tax assets current, net	55,145	55,351
Other current assets	104,496	77,570
Intercompany other	0	0
Total current assets	958,839	882,217
Property, plant, and equipment, net	301,458	299,242
Deferred tax assets noncurrent, net	12,714	35,050
Other long-term assets	68,967	28,242
Intangible assets, net	292,930	291,670
Goodwill	1,311,771	1,209,376	1,146,082	1,305,599
Investment in subsidiaries	0	0
Intercompany notes receivable	0	0
Total assets	2,946,679	2,745,797
Current liabilities
Accounts payable	268,462	241,949
Other current liabilities	41,630	49,690
Intercompany Accounts Payable	0	0
Wages and benefits payable	94,855	110,479
Taxes payable	27,976	19,725
Current portion of debt	234,449	228,721
Current portion of warranty	29,999	24,912	26,250
Unearned revenue	49,722	28,258
Short Term Intercompany Advances	0	0
Total current liabilities	747,093	703,734
Long-term debt	341,121	382,220
Long-term warranty	32,839	26,371	23,274
Pension plan benefit liability	69,675	61,450
Intercompany notes payable	0	0
Deferred tax liabilities noncurrent, net	51,539	54,412
Other long-term obligations	86,942	89,315
Total liabilities	1,329,209	1,317,502
Shareholders' equity
Preferred stock	0	0
Common Stock	1,339,504	1,328,249
Accumulated other comprehensive income (loss), net	81,390	(34,974)
Retained earnings	196,576	135,020
Total shareholders' equity	1,617,470	1,428,295
Total liabilities and shareholders' equity	2,946,679	2,745,797
Parent [Member]
Current assets
Cash and cash equivalents	79,037	19,146
Accounts receivable, net	117,090	163,758
Intercompany accounts receivable	11,599	10,106
Inventories	111,702	99,846
Deferred tax assets current, net	37,450	40,344
Other current assets	25,101	23,962
Intercompany other	2,088	1,997
Total current assets	384,067	359,159
Property, plant, and equipment, net	116,725	115,499
Deferred tax assets noncurrent, net	(19,705)	7,684
Other long-term assets	48,220	14,134
Intangible assets, net	34,804	41,828
Goodwill	184,749	184,750
Investment in subsidiaries	320,053	324,104
Intercompany notes receivable	1,397,260	1,283,139
Total assets	2,466,173	2,330,297
Current liabilities
Accounts payable	82,347	75,027
Other current liabilities	6,648	12,223
Intercompany Accounts Payable	8,375	3,675
Wages and benefits payable	35,475	54,804
Taxes payable	4,537	3,368
Current portion of debt	234,449	228,721
Current portion of warranty	10,737	8,813
Unearned revenue	27,779	21,926
Short Term Intercompany Advances	0	0
Total current liabilities	410,347	408,557
Long-term debt	341,121	382,220
Long-term warranty	11,767	13,721
Pension plan benefit liability	0	0
Intercompany notes payable	103,085	101,418
Deferred tax liabilities noncurrent, net	(44,218)	(38,400)
Other long-term obligations	26,601	34,486
Total liabilities	848,703	902,002
Shareholders' equity
Preferred stock	0	0
Common Stock	1,339,504	1,328,249
Accumulated other comprehensive income (loss), net	81,390	(34,974)
Retained earnings	196,576	135,020
Total shareholders' equity	1,617,470	1,428,295
Total liabilities and shareholders' equity	2,466,173	2,330,297
Guarantor Subsidiary [Member]
Current assets
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Intercompany accounts receivable	0	0
Inventories	0	0
Deferred tax assets current, net	0	0
Other current assets	0	0
Intercompany other	0	0
Total current assets	0	0
Property, plant, and equipment, net	0	0
Deferred tax assets noncurrent, net	0	0
Other long-term assets	0	0
Intangible assets, net	0	0
Goodwill	0	0
Investment in subsidiaries	0	0
Intercompany notes receivable	103,085	101,418
Total assets	103,085	101,418
Current liabilities
Accounts payable	0	0
Other current liabilities	0	0
Intercompany Accounts Payable	0	0
Wages and benefits payable	0	0
Taxes payable	0	0
Current portion of debt	0	0
Current portion of warranty	0	0
Unearned revenue	0	0
Short Term Intercompany Advances	0	0
Total current liabilities	0	0
Long-term debt	0	0
Long-term warranty	0	0
Pension plan benefit liability	0	0
Intercompany notes payable	0	0
Deferred tax liabilities noncurrent, net	0	0
Other long-term obligations	0	0
Total liabilities	0	0
Shareholders' equity
Preferred stock	0	0
Common Stock	97,377	97,377
Accumulated other comprehensive income (loss), net	(7,787)	(7,786)
Retained earnings	13,495	11,827
Total shareholders' equity	103,085	101,418
Total liabilities and shareholders' equity	103,085	101,418
Combined Non-Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	89,247	150,331	111,644	105,508
Accounts receivable, net	260,745	207,904
Intercompany accounts receivable	8,375	3,675
Inventories	142,341	109,208
Deferred tax assets current, net	17,695	15,007
Other current assets	81,079	53,608
Intercompany other	0	0
Total current assets	599,482	539,733
Property, plant, and equipment, net	184,733	183,743
Deferred tax assets noncurrent, net	32,419	27,366
Other long-term assets	20,747	14,108
Intangible assets, net	258,126	249,842
Goodwill	1,127,022	1,024,626
Investment in subsidiaries	0	0
Intercompany notes receivable	0	0
Total assets	2,222,529	2,039,418
Current liabilities
Accounts payable	186,115	166,922
Other current liabilities	34,982	37,467
Intercompany Accounts Payable	11,599	10,106
Wages and benefits payable	59,380	55,675
Taxes payable	23,439	16,357
Current portion of debt	0	0
Current portion of warranty	19,262	16,099
Unearned revenue	21,943	6,332
Short Term Intercompany Advances	2,088	1,997
Total current liabilities	358,808	310,955
Long-term debt	0	0
Long-term warranty	21,072	12,650
Pension plan benefit liability	69,675	61,450
Intercompany notes payable	1,397,260	1,283,139
Deferred tax liabilities noncurrent, net	95,757	92,812
Other long-term obligations	60,341	54,829
Total liabilities	2,002,913	1,815,835
Shareholders' equity
Preferred stock	0	0
Common Stock	101,192	136,441
Accumulated other comprehensive income (loss), net	50,861	41,778
Retained earnings	67,563	45,364
Total shareholders' equity	219,616	223,583
Total liabilities and shareholders' equity	2,222,529	2,039,418
Eliminations [Member]
Current assets
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Intercompany accounts receivable	(19,974)	(13,781)
Inventories	(964)	(897)
Deferred tax assets current, net	0	0
Other current assets	(1,684)	0
Intercompany other	(2,088)	(1,997)
Total current assets	(24,710)	(16,675)
Property, plant, and equipment, net	0	0
Deferred tax assets noncurrent, net	0	0
Other long-term assets	0	0
Intangible assets, net	0	0
Goodwill	0	0
Investment in subsidiaries	(320,053)	(324,104)
Intercompany notes receivable	(1,500,345)	(1,384,557)
Total assets	(1,845,108)	(1,725,336)
Current liabilities
Accounts payable	0	0
Other current liabilities	0	0
Intercompany Accounts Payable	(19,974)	(13,781)
Wages and benefits payable	0	0
Taxes payable	0	0
Current portion of debt	0	0
Current portion of warranty	0	0
Unearned revenue	0	0
Short Term Intercompany Advances	(2,088)	(1,997)
Total current liabilities	(22,062)	(15,778)
Long-term debt	0	0
Long-term warranty	0	0
Pension plan benefit liability	0	0
Intercompany notes payable	(1,500,345)	(1,384,557)
Deferred tax liabilities noncurrent, net	0	0
Other long-term obligations	0	0
Total liabilities	(1,522,407)	(1,400,335)
Shareholders' equity
Preferred stock	0	0
Common Stock	(198,569)	(233,818)
Accumulated other comprehensive income (loss), net	(43,074)	(33,992)
Retained earnings	(81,058)	(57,191)
Total shareholders' equity	(322,701)	(325,001)
Total liabilities and shareholders' equity	$ (1,845,108)	$ (1,725,336)

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Segment Information Major Customers (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2011 customers	Jun. 30, 2010 customers	Jun. 30, 2011 contracts customers	Jun. 30, 2010 customers
Revenue, Major Customer [Line Items]
Major Customers Percentage Revenue Threshold	10.00%	10.00%	10.00%	10.00%
Number Of Major Customers	0	1	0	1
Itron North America [Member]
Revenue, Major Customer [Line Items]
Major Customers Percentage Revenue Threshold	10.00%	10.00%	10.00%	10.00%
Number Of Major Customers	2	3	2	3
Itron International [Member]
Revenue, Major Customer [Line Items]
Major Customers Percentage Revenue Threshold	10.00%	10.00%	10.00%	10.00%
Number Of Major Customers	0	0	0	0

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Subsequent Event (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Aug. 01, 2011 Senior Subordinated Notes [Member] Option of the Holders [Member] Financing [Member]
Subsequent Event [Line Items]
Convertible Subordinated Debt Repurchased	$ 223,604	$ 218,268	$ (184,800)

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Earnings Per Share and Capital Structure Computation of Basic and Diluted Earnings per Share (Details) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net income available to common shareholders	$ 34,436	$ 25,311	$ 61,556	$ 50,561
Weighted Average Number of Shares Outstanding, Basic	40,670,000	40,329,000	40,608,000	40,261,000
Dilutive effect of convertible notes	0	283,000	0	206,000
Dilutive effect of stock-based awards	407,000	549,000	451,000	544,000
Weighted Average Number of Shares Outstanding, Diluted	41,077,000	41,161,000	41,059,000	41,011,000
Earnings Per Share, Basic	$ 0.85	$ 0.63	$ 1.52	$ 1.26
Earnings Per Share, Diluted	$ 0.84	$ 0.61	$ 1.50	$ 1.23

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Earnings Per Share and Capital Structure Convertible Notes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental Common Shares Attributable to Conversion of Debt Securities	0	283,000	0	206,000
Debt instrument, convertible, conversion price	$ 65.16		$ 65.16

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Certain Balance Sheet Components Property, Plant, and Equipment, Net (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 284,431	$ 265,113
Computers and purchased software	69,894	63,077
Buildings, furniture, and improvements	150,987	146,661
Land	33,879	35,968
Construction in progress, including purchased equipment	24,600	20,531
Total cost	563,791	531,350
Accumulated depreciation	(262,333)	(232,108)
Property, plant, and equipment, net	$ 301,458	$ 299,242

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Summary of Significant Accounting Policies Basis of Consolidation Policy Additional Information (Details)	6 Months Ended
	Jun. 30, 2011
Ownership Interest to be Held for Consolidation [Line Items]
Ownership Interest To Use Cost Method	20.00%
Maximum [Member]
Ownership Interest to be Held for Consolidation [Line Items]
Ownership Interest to be Held for Consolidation	50.00%
Minimum [Member]
Ownership Interest to be Held for Consolidation [Line Items]
Ownership Interest To Use Equity Method	50.00%